Home / 19,386.42-29,062.28-9,385.52

Finding the Fourth Proportional to 19,386.42, 29,062.28 and 9,385.52

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Solution

The fourth proportional to 19,386.42, 29,062.28 and 9,385.52 is: 14,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.42 : 29,062.28 = 9,385.52 : x
  2. Step 2: Convert to fraction form
    19,386.42/29,062.28 = 9,385.52/x
  3. Step 3: Cross multiply
    19,386.42x = 29,062.28 × 9,385.52
  4. Step 4: Simplify right side
    19,386.42x = 272,764,417.95
  5. Step 5: Solve for x
    x = 272,764,417.95/19,386.42
  6. Step 6: Final answer
    x = 14,069.87

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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.