Home / 15,187.40-22,770.14-10,244.78

Finding the Fourth Proportional to 15,187.40, 22,770.14 and 10,244.78

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Solution

The fourth proportional to 15,187.40, 22,770.14 and 10,244.78 is: 15,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.40 : 22,770.14 = 10,244.78 : x
  2. Step 2: Convert to fraction form
    15,187.40/22,770.14 = 10,244.78/x
  3. Step 3: Cross multiply
    15,187.40x = 22,770.14 × 10,244.78
  4. Step 4: Simplify right side
    15,187.40x = 233,275,074.87
  5. Step 5: Solve for x
    x = 233,275,074.87/15,187.40
  6. Step 6: Final answer
    x = 15,359.78

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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.