Home / 15,612.28-23,426.10-7,291.09

Finding the Fourth Proportional to 15,612.28, 23,426.10 and 7,291.09

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Solution

The fourth proportional to 15,612.28, 23,426.10 and 7,291.09 is: 10,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.28 : 23,426.10 = 7,291.09 : x
  2. Step 2: Convert to fraction form
    15,612.28/23,426.10 = 7,291.09/x
  3. Step 3: Cross multiply
    15,612.28x = 23,426.10 × 7,291.09
  4. Step 4: Simplify right side
    15,612.28x = 170,801,700.96
  5. Step 5: Solve for x
    x = 170,801,700.96/15,612.28
  6. Step 6: Final answer
    x = 10,940.22

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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.