Home / 22,017.96-30,362.04-15,311.16

Finding the Fourth Proportional to 22,017.96, 30,362.04 and 15,311.16

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Solution

The fourth proportional to 22,017.96, 30,362.04 and 15,311.16 is: 21,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.96 : 30,362.04 = 15,311.16 : x
  2. Step 2: Convert to fraction form
    22,017.96/30,362.04 = 15,311.16/x
  3. Step 3: Cross multiply
    22,017.96x = 30,362.04 × 15,311.16
  4. Step 4: Simplify right side
    22,017.96x = 464,878,052.37
  5. Step 5: Solve for x
    x = 464,878,052.37/22,017.96
  6. Step 6: Final answer
    x = 21,113.58

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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.