Home / 11,310.60-15,592.24-7,943.16

Finding the Fourth Proportional to 11,310.60, 15,592.24 and 7,943.16

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Solution

The fourth proportional to 11,310.60, 15,592.24 and 7,943.16 is: 10,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.60 : 15,592.24 = 7,943.16 : x
  2. Step 2: Convert to fraction form
    11,310.60/15,592.24 = 7,943.16/x
  3. Step 3: Cross multiply
    11,310.60x = 15,592.24 × 7,943.16
  4. Step 4: Simplify right side
    11,310.60x = 123,851,657.08
  5. Step 5: Solve for x
    x = 123,851,657.08/11,310.60
  6. Step 6: Final answer
    x = 10,950.05

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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.