Home / 19,712.47-29,577.93-8,617.72

Finding the Fourth Proportional to 19,712.47, 29,577.93 and 8,617.72

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Solution

The fourth proportional to 19,712.47, 29,577.93 and 8,617.72 is: 12,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.47 : 29,577.93 = 8,617.72 : x
  2. Step 2: Convert to fraction form
    19,712.47/29,577.93 = 8,617.72/x
  3. Step 3: Cross multiply
    19,712.47x = 29,577.93 × 8,617.72
  4. Step 4: Simplify right side
    19,712.47x = 254,894,318.92
  5. Step 5: Solve for x
    x = 254,894,318.92/19,712.47
  6. Step 6: Final answer
    x = 12,930.61

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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.