Home / 10,339.40-15,517.02-7,573.32

Finding the Fourth Proportional to 10,339.40, 15,517.02 and 7,573.32

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Solution

The fourth proportional to 10,339.40, 15,517.02 and 7,573.32 is: 11,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.40 : 15,517.02 = 7,573.32 : x
  2. Step 2: Convert to fraction form
    10,339.40/15,517.02 = 7,573.32/x
  3. Step 3: Cross multiply
    10,339.40x = 15,517.02 × 7,573.32
  4. Step 4: Simplify right side
    10,339.40x = 117,515,357.91
  5. Step 5: Solve for x
    x = 117,515,357.91/10,339.40
  6. Step 6: Final answer
    x = 11,365.78

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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.