Home / 18,177.68-25,084.76-10,219.91

Finding the Fourth Proportional to 18,177.68, 25,084.76 and 10,219.91

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Solution

The fourth proportional to 18,177.68, 25,084.76 and 10,219.91 is: 14,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.68 : 25,084.76 = 10,219.91 : x
  2. Step 2: Convert to fraction form
    18,177.68/25,084.76 = 10,219.91/x
  3. Step 3: Cross multiply
    18,177.68x = 25,084.76 × 10,219.91
  4. Step 4: Simplify right side
    18,177.68x = 256,363,813.05
  5. Step 5: Solve for x
    x = 256,363,813.05/18,177.68
  6. Step 6: Final answer
    x = 14,103.22

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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.