Home / 16,929.79-25,387.66-6,397.99

Finding the Fourth Proportional to 16,929.79, 25,387.66 and 6,397.99

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Solution

The fourth proportional to 16,929.79, 25,387.66 and 6,397.99 is: 9,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.79 : 25,387.66 = 6,397.99 : x
  2. Step 2: Convert to fraction form
    16,929.79/25,387.66 = 6,397.99/x
  3. Step 3: Cross multiply
    16,929.79x = 25,387.66 × 6,397.99
  4. Step 4: Simplify right side
    16,929.79x = 162,429,994.80
  5. Step 5: Solve for x
    x = 162,429,994.80/16,929.79
  6. Step 6: Final answer
    x = 9,594.33

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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.