Home / 10,001.85-15,002.17-4,158.51

Finding the Fourth Proportional to 10,001.85, 15,002.17 and 4,158.51

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Solution

The fourth proportional to 10,001.85, 15,002.17 and 4,158.51 is: 6,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.85 : 15,002.17 = 4,158.51 : x
  2. Step 2: Convert to fraction form
    10,001.85/15,002.17 = 4,158.51/x
  3. Step 3: Cross multiply
    10,001.85x = 15,002.17 × 4,158.51
  4. Step 4: Simplify right side
    10,001.85x = 62,386,673.97
  5. Step 5: Solve for x
    x = 62,386,673.97/10,001.85
  6. Step 6: Final answer
    x = 6,237.51

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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.