Home / 10,003.12-15,002.04-2,981.24

Finding the Fourth Proportional to 10,003.12, 15,002.04 and 2,981.24

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Solution

The fourth proportional to 10,003.12, 15,002.04 and 2,981.24 is: 4,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.12 : 15,002.04 = 2,981.24 : x
  2. Step 2: Convert to fraction form
    10,003.12/15,002.04 = 2,981.24/x
  3. Step 3: Cross multiply
    10,003.12x = 15,002.04 × 2,981.24
  4. Step 4: Simplify right side
    10,003.12x = 44,724,681.73
  5. Step 5: Solve for x
    x = 44,724,681.73/10,003.12
  6. Step 6: Final answer
    x = 4,471.07

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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.