Home / 10,067.60-15,101.40-6,386.15

Finding the Fourth Proportional to 10,067.60, 15,101.40 and 6,386.15

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Solution

The fourth proportional to 10,067.60, 15,101.40 and 6,386.15 is: 9,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.60 : 15,101.40 = 6,386.15 : x
  2. Step 2: Convert to fraction form
    10,067.60/15,101.40 = 6,386.15/x
  3. Step 3: Cross multiply
    10,067.60x = 15,101.40 × 6,386.15
  4. Step 4: Simplify right side
    10,067.60x = 96,439,805.61
  5. Step 5: Solve for x
    x = 96,439,805.61/10,067.60
  6. Step 6: Final answer
    x = 9,579.23

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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.