Home / 10,617.36-15,919.56-4,375.44

Finding the Fourth Proportional to 10,617.36, 15,919.56 and 4,375.44

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Solution

The fourth proportional to 10,617.36, 15,919.56 and 4,375.44 is: 6,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.36 : 15,919.56 = 4,375.44 : x
  2. Step 2: Convert to fraction form
    10,617.36/15,919.56 = 4,375.44/x
  3. Step 3: Cross multiply
    10,617.36x = 15,919.56 × 4,375.44
  4. Step 4: Simplify right side
    10,617.36x = 69,655,079.61
  5. Step 5: Solve for x
    x = 69,655,079.61/10,617.36
  6. Step 6: Final answer
    x = 6,560.49

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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.