Home / 14,887.97-20,545.65-8,174.23

Finding the Fourth Proportional to 14,887.97, 20,545.65 and 8,174.23

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Solution

The fourth proportional to 14,887.97, 20,545.65 and 8,174.23 is: 11,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.97 : 20,545.65 = 8,174.23 : x
  2. Step 2: Convert to fraction form
    14,887.97/20,545.65 = 8,174.23/x
  3. Step 3: Cross multiply
    14,887.97x = 20,545.65 × 8,174.23
  4. Step 4: Simplify right side
    14,887.97x = 167,944,868.60
  5. Step 5: Solve for x
    x = 167,944,868.60/14,887.97
  6. Step 6: Final answer
    x = 11,280.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.