Home / 10,965.76-15,132.88-6,250.48

Finding the Fourth Proportional to 10,965.76, 15,132.88 and 6,250.48

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Solution

The fourth proportional to 10,965.76, 15,132.88 and 6,250.48 is: 8,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.76 : 15,132.88 = 6,250.48 : x
  2. Step 2: Convert to fraction form
    10,965.76/15,132.88 = 6,250.48/x
  3. Step 3: Cross multiply
    10,965.76x = 15,132.88 × 6,250.48
  4. Step 4: Simplify right side
    10,965.76x = 94,587,763.78
  5. Step 5: Solve for x
    x = 94,587,763.78/10,965.76
  6. Step 6: Final answer
    x = 8,625.74

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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.