Home / 22,202.04-30,638.69-12,130.37

Finding the Fourth Proportional to 22,202.04, 30,638.69 and 12,130.37

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Solution

The fourth proportional to 22,202.04, 30,638.69 and 12,130.37 is: 16,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.04 : 30,638.69 = 12,130.37 : x
  2. Step 2: Convert to fraction form
    22,202.04/30,638.69 = 12,130.37/x
  3. Step 3: Cross multiply
    22,202.04x = 30,638.69 × 12,130.37
  4. Step 4: Simplify right side
    22,202.04x = 371,658,432.17
  5. Step 5: Solve for x
    x = 371,658,432.17/22,202.04
  6. Step 6: Final answer
    x = 16,739.83

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.