Home / 10,003.20-15,002.16-2,983.20

Finding the Fourth Proportional to 10,003.20, 15,002.16 and 2,983.20

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Solution

The fourth proportional to 10,003.20, 15,002.16 and 2,983.20 is: 4,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.20 : 15,002.16 = 2,983.20 : x
  2. Step 2: Convert to fraction form
    10,003.20/15,002.16 = 2,983.20/x
  3. Step 3: Cross multiply
    10,003.20x = 15,002.16 × 2,983.20
  4. Step 4: Simplify right side
    10,003.20x = 44,754,443.71
  5. Step 5: Solve for x
    x = 44,754,443.71/10,003.20
  6. Step 6: Final answer
    x = 4,474.01

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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.