Home / 13,587.59-20,381.39-3,726.94

Finding the Fourth Proportional to 13,587.59, 20,381.39 and 3,726.94

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Solution

The fourth proportional to 13,587.59, 20,381.39 and 3,726.94 is: 5,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.59 : 20,381.39 = 3,726.94 : x
  2. Step 2: Convert to fraction form
    13,587.59/20,381.39 = 3,726.94/x
  3. Step 3: Cross multiply
    13,587.59x = 20,381.39 × 3,726.94
  4. Step 4: Simplify right side
    13,587.59x = 75,960,097.10
  5. Step 5: Solve for x
    x = 75,960,097.10/13,587.59
  6. Step 6: Final answer
    x = 5,590.40

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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.