Home / 15,138.45-22,711.46-14,887.31

Finding the Fourth Proportional to 15,138.45, 22,711.46 and 14,887.31

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Solution

The fourth proportional to 15,138.45, 22,711.46 and 14,887.31 is: 22,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.45 : 22,711.46 = 14,887.31 : x
  2. Step 2: Convert to fraction form
    15,138.45/22,711.46 = 14,887.31/x
  3. Step 3: Cross multiply
    15,138.45x = 22,711.46 × 14,887.31
  4. Step 4: Simplify right side
    15,138.45x = 338,112,545.57
  5. Step 5: Solve for x
    x = 338,112,545.57/15,138.45
  6. Step 6: Final answer
    x = 22,334.69

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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.