Home / 18,770.02-25,902.68-10,272.24

Finding the Fourth Proportional to 18,770.02, 25,902.68 and 10,272.24

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Solution

The fourth proportional to 18,770.02, 25,902.68 and 10,272.24 is: 14,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.02 : 25,902.68 = 10,272.24 : x
  2. Step 2: Convert to fraction form
    18,770.02/25,902.68 = 10,272.24/x
  3. Step 3: Cross multiply
    18,770.02x = 25,902.68 × 10,272.24
  4. Step 4: Simplify right side
    18,770.02x = 266,078,545.60
  5. Step 5: Solve for x
    x = 266,078,545.60/18,770.02
  6. Step 6: Final answer
    x = 14,175.72

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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.