Home / 18,377.21-25,356.69-12,013.17

Finding the Fourth Proportional to 18,377.21, 25,356.69 and 12,013.17

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Solution

The fourth proportional to 18,377.21, 25,356.69 and 12,013.17 is: 16,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.21 : 25,356.69 = 12,013.17 : x
  2. Step 2: Convert to fraction form
    18,377.21/25,356.69 = 12,013.17/x
  3. Step 3: Cross multiply
    18,377.21x = 25,356.69 × 12,013.17
  4. Step 4: Simplify right side
    18,377.21x = 304,614,227.61
  5. Step 5: Solve for x
    x = 304,614,227.61/18,377.21
  6. Step 6: Final answer
    x = 16,575.65

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1.5x scale

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.