Home / 13,592.43-20,354.81-8,647.47

Finding the Fourth Proportional to 13,592.43, 20,354.81 and 8,647.47

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Solution

The fourth proportional to 13,592.43, 20,354.81 and 8,647.47 is: 12,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.43 : 20,354.81 = 8,647.47 : x
  2. Step 2: Convert to fraction form
    13,592.43/20,354.81 = 8,647.47/x
  3. Step 3: Cross multiply
    13,592.43x = 20,354.81 × 8,647.47
  4. Step 4: Simplify right side
    13,592.43x = 176,017,565.59
  5. Step 5: Solve for x
    x = 176,017,565.59/13,592.43
  6. Step 6: Final answer
    x = 12,949.68

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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.