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Finding the Fourth Proportional to 17,560.64, 24,236.32 and 10,491.20

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Solution

The fourth proportional to 17,560.64, 24,236.32 and 10,491.20 is: 14,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,560.64 : 24,236.32 = 10,491.20 : x
  2. Step 2: Convert to fraction form
    17,560.64/24,236.32 = 10,491.20/x
  3. Step 3: Cross multiply
    17,560.64x = 24,236.32 × 10,491.20
  4. Step 4: Simplify right side
    17,560.64x = 254,268,080.38
  5. Step 5: Solve for x
    x = 254,268,080.38/17,560.64
  6. Step 6: Final answer
    x = 14,479.43

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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.