Home / 19,950.15-29,930.76-8,706.47

Finding the Fourth Proportional to 19,950.15, 29,930.76 and 8,706.47

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Solution

The fourth proportional to 19,950.15, 29,930.76 and 8,706.47 is: 13,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.15 : 29,930.76 = 8,706.47 : x
  2. Step 2: Convert to fraction form
    19,950.15/29,930.76 = 8,706.47/x
  3. Step 3: Cross multiply
    19,950.15x = 29,930.76 × 8,706.47
  4. Step 4: Simplify right side
    19,950.15x = 260,591,264.02
  5. Step 5: Solve for x
    x = 260,591,264.02/19,950.15
  6. Step 6: Final answer
    x = 13,062.12

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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.