Home / 15,385.93-23,078.89-3,699.15

Finding the Fourth Proportional to 15,385.93, 23,078.89 and 3,699.15

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Solution

The fourth proportional to 15,385.93, 23,078.89 and 3,699.15 is: 5,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.93 : 23,078.89 = 3,699.15 : x
  2. Step 2: Convert to fraction form
    15,385.93/23,078.89 = 3,699.15/x
  3. Step 3: Cross multiply
    15,385.93x = 23,078.89 × 3,699.15
  4. Step 4: Simplify right side
    15,385.93x = 85,372,275.94
  5. Step 5: Solve for x
    x = 85,372,275.94/15,385.93
  6. Step 6: Final answer
    x = 5,548.72

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Double scale
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Similar ratio
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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.