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Finding the Fourth Proportional to 15,082.56, 22,637.04 and 8,068.16

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Solution

The fourth proportional to 15,082.56, 22,637.04 and 8,068.16 is: 12,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.56 : 22,637.04 = 8,068.16 : x
  2. Step 2: Convert to fraction form
    15,082.56/22,637.04 = 8,068.16/x
  3. Step 3: Cross multiply
    15,082.56x = 22,637.04 × 8,068.16
  4. Step 4: Simplify right side
    15,082.56x = 182,639,260.65
  5. Step 5: Solve for x
    x = 182,639,260.65/15,082.56
  6. Step 6: Final answer
    x = 12,109.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.