Home / 22,002.76-30,356.80-13,496.14

Finding the Fourth Proportional to 22,002.76, 30,356.80 and 13,496.14

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Solution

The fourth proportional to 22,002.76, 30,356.80 and 13,496.14 is: 18,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.76 : 30,356.80 = 13,496.14 : x
  2. Step 2: Convert to fraction form
    22,002.76/30,356.80 = 13,496.14/x
  3. Step 3: Cross multiply
    22,002.76x = 30,356.80 × 13,496.14
  4. Step 4: Simplify right side
    22,002.76x = 409,699,622.75
  5. Step 5: Solve for x
    x = 409,699,622.75/22,002.76
  6. Step 6: Final answer
    x = 18,620.37

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Half scale
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Double scale
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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.