Home / 18,857.17-28,285.83-6,377.26

Finding the Fourth Proportional to 18,857.17, 28,285.83 and 6,377.26

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Solution

The fourth proportional to 18,857.17, 28,285.83 and 6,377.26 is: 9,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.17 : 28,285.83 = 6,377.26 : x
  2. Step 2: Convert to fraction form
    18,857.17/28,285.83 = 6,377.26/x
  3. Step 3: Cross multiply
    18,857.17x = 28,285.83 × 6,377.26
  4. Step 4: Simplify right side
    18,857.17x = 180,386,092.23
  5. Step 5: Solve for x
    x = 180,386,092.23/18,857.17
  6. Step 6: Final answer
    x = 9,565.92

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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.