Home / 13,545.58-20,283.63-9,379.66

Finding the Fourth Proportional to 13,545.58, 20,283.63 and 9,379.66

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Solution

The fourth proportional to 13,545.58, 20,283.63 and 9,379.66 is: 14,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.58 : 20,283.63 = 9,379.66 : x
  2. Step 2: Convert to fraction form
    13,545.58/20,283.63 = 9,379.66/x
  3. Step 3: Cross multiply
    13,545.58x = 20,283.63 × 9,379.66
  4. Step 4: Simplify right side
    13,545.58x = 190,253,552.97
  5. Step 5: Solve for x
    x = 190,253,552.97/13,545.58
  6. Step 6: Final answer
    x = 14,045.43

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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.