Home / 18,385.18-27,575.16-5,903.59

Finding the Fourth Proportional to 18,385.18, 27,575.16 and 5,903.59

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Solution

The fourth proportional to 18,385.18, 27,575.16 and 5,903.59 is: 8,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.18 : 27,575.16 = 5,903.59 : x
  2. Step 2: Convert to fraction form
    18,385.18/27,575.16 = 5,903.59/x
  3. Step 3: Cross multiply
    18,385.18x = 27,575.16 × 5,903.59
  4. Step 4: Simplify right side
    18,385.18x = 162,792,438.82
  5. Step 5: Solve for x
    x = 162,792,438.82/18,385.18
  6. Step 6: Final answer
    x = 8,854.55

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Half scale
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Double scale
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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.