Home / 13,545.47-20,319.22-3,684.83

Finding the Fourth Proportional to 13,545.47, 20,319.22 and 3,684.83

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Solution

The fourth proportional to 13,545.47, 20,319.22 and 3,684.83 is: 5,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.47 : 20,319.22 = 3,684.83 : x
  2. Step 2: Convert to fraction form
    13,545.47/20,319.22 = 3,684.83/x
  3. Step 3: Cross multiply
    13,545.47x = 20,319.22 × 3,684.83
  4. Step 4: Simplify right side
    13,545.47x = 74,872,871.43
  5. Step 5: Solve for x
    x = 74,872,871.43/13,545.47
  6. Step 6: Final answer
    x = 5,527.52

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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.