Home / 10,409.52-15,610.35-3,387.70

Finding the Fourth Proportional to 10,409.52, 15,610.35 and 3,387.70

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Solution

The fourth proportional to 10,409.52, 15,610.35 and 3,387.70 is: 5,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.52 : 15,610.35 = 3,387.70 : x
  2. Step 2: Convert to fraction form
    10,409.52/15,610.35 = 3,387.70/x
  3. Step 3: Cross multiply
    10,409.52x = 15,610.35 × 3,387.70
  4. Step 4: Simplify right side
    10,409.52x = 52,883,182.70
  5. Step 5: Solve for x
    x = 52,883,182.70/10,409.52
  6. Step 6: Final answer
    x = 5,080.27

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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.