Home / 10,053.40-15,074.02-4,505.72

Finding the Fourth Proportional to 10,053.40, 15,074.02 and 4,505.72

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Solution

The fourth proportional to 10,053.40, 15,074.02 and 4,505.72 is: 6,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.40 : 15,074.02 = 4,505.72 : x
  2. Step 2: Convert to fraction form
    10,053.40/15,074.02 = 4,505.72/x
  3. Step 3: Cross multiply
    10,053.40x = 15,074.02 × 4,505.72
  4. Step 4: Simplify right side
    10,053.40x = 67,919,313.39
  5. Step 5: Solve for x
    x = 67,919,313.39/10,053.40
  6. Step 6: Final answer
    x = 6,755.86

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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.