Home / 19,437.12-29,154.15-5,397.39

Finding the Fourth Proportional to 19,437.12, 29,154.15 and 5,397.39

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Solution

The fourth proportional to 19,437.12, 29,154.15 and 5,397.39 is: 8,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.12 : 29,154.15 = 5,397.39 : x
  2. Step 2: Convert to fraction form
    19,437.12/29,154.15 = 5,397.39/x
  3. Step 3: Cross multiply
    19,437.12x = 29,154.15 × 5,397.39
  4. Step 4: Simplify right side
    19,437.12x = 157,356,317.67
  5. Step 5: Solve for x
    x = 157,356,317.67/19,437.12
  6. Step 6: Final answer
    x = 8,095.66

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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.