Home / 10,057.52-15,066.12-7,981.04

Finding the Fourth Proportional to 10,057.52, 15,066.12 and 7,981.04

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Solution

The fourth proportional to 10,057.52, 15,066.12 and 7,981.04 is: 11,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.52 : 15,066.12 = 7,981.04 : x
  2. Step 2: Convert to fraction form
    10,057.52/15,066.12 = 7,981.04/x
  3. Step 3: Cross multiply
    10,057.52x = 15,066.12 × 7,981.04
  4. Step 4: Simplify right side
    10,057.52x = 120,243,306.36
  5. Step 5: Solve for x
    x = 120,243,306.36/10,057.52
  6. Step 6: Final answer
    x = 11,955.56

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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.