Home / 10,068.17-15,110.35-5,139.11

Finding the Fourth Proportional to 10,068.17, 15,110.35 and 5,139.11

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Solution

The fourth proportional to 10,068.17, 15,110.35 and 5,139.11 is: 7,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.17 : 15,110.35 = 5,139.11 : x
  2. Step 2: Convert to fraction form
    10,068.17/15,110.35 = 5,139.11/x
  3. Step 3: Cross multiply
    10,068.17x = 15,110.35 × 5,139.11
  4. Step 4: Simplify right side
    10,068.17x = 77,653,775.72
  5. Step 5: Solve for x
    x = 77,653,775.72/10,068.17
  6. Step 6: Final answer
    x = 7,712.80

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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.