Home / 13,545.41-20,358.21-13,177.26

Finding the Fourth Proportional to 13,545.41, 20,358.21 and 13,177.26

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Solution

The fourth proportional to 13,545.41, 20,358.21 and 13,177.26 is: 19,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.41 : 20,358.21 = 13,177.26 : x
  2. Step 2: Convert to fraction form
    13,545.41/20,358.21 = 13,177.26/x
  3. Step 3: Cross multiply
    13,545.41x = 20,358.21 × 13,177.26
  4. Step 4: Simplify right side
    13,545.41x = 268,265,426.30
  5. Step 5: Solve for x
    x = 268,265,426.30/13,545.41
  6. Step 6: Final answer
    x = 19,804.90

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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.