Home / 17,432.66-26,101.14-12,172.91

Finding the Fourth Proportional to 17,432.66, 26,101.14 and 12,172.91

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Solution

The fourth proportional to 17,432.66, 26,101.14 and 12,172.91 is: 18,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,432.66 : 26,101.14 = 12,172.91 : x
  2. Step 2: Convert to fraction form
    17,432.66/26,101.14 = 12,172.91/x
  3. Step 3: Cross multiply
    17,432.66x = 26,101.14 × 12,172.91
  4. Step 4: Simplify right side
    17,432.66x = 317,726,828.12
  5. Step 5: Solve for x
    x = 317,726,828.12/17,432.66
  6. Step 6: Final answer
    x = 18,225.95

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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.