Home / 14,759.40-20,375.36-9,387.24

Finding the Fourth Proportional to 14,759.40, 20,375.36 and 9,387.24

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Solution

The fourth proportional to 14,759.40, 20,375.36 and 9,387.24 is: 12,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.40 : 20,375.36 = 9,387.24 : x
  2. Step 2: Convert to fraction form
    14,759.40/20,375.36 = 9,387.24/x
  3. Step 3: Cross multiply
    14,759.40x = 20,375.36 × 9,387.24
  4. Step 4: Simplify right side
    14,759.40x = 191,268,347.47
  5. Step 5: Solve for x
    x = 191,268,347.47/14,759.40
  6. Step 6: Final answer
    x = 12,959.09

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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.