Home / 24,864-34,312.32-13,686

Finding the Fourth Proportional to 24,864, 34,312.32 and 13,686

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Solution

The fourth proportional to 24,864, 34,312.32 and 13,686 is: 18,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,864 : 34,312.32 = 13,686 : x
  2. Step 2: Convert to fraction form
    24,864/34,312.32 = 13,686/x
  3. Step 3: Cross multiply
    24,864x = 34,312.32 × 13,686
  4. Step 4: Simplify right side
    24,864x = 469,598,411.52
  5. Step 5: Solve for x
    x = 469,598,411.52/24,864
  6. Step 6: Final answer
    x = 18,886.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.