Home / 17,178.47-25,734.15-11,840.70

Finding the Fourth Proportional to 17,178.47, 25,734.15 and 11,840.70

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Solution

The fourth proportional to 17,178.47, 25,734.15 and 11,840.70 is: 17,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.47 : 25,734.15 = 11,840.70 : x
  2. Step 2: Convert to fraction form
    17,178.47/25,734.15 = 11,840.70/x
  3. Step 3: Cross multiply
    17,178.47x = 25,734.15 × 11,840.70
  4. Step 4: Simplify right side
    17,178.47x = 304,710,349.91
  5. Step 5: Solve for x
    x = 304,710,349.91/17,178.47
  6. Step 6: Final answer
    x = 17,737.92

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1.5x scale

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.