Home / 10,382.02-15,569.21-8,165.19

Finding the Fourth Proportional to 10,382.02, 15,569.21 and 8,165.19

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Solution

The fourth proportional to 10,382.02, 15,569.21 and 8,165.19 is: 12,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.02 : 15,569.21 = 8,165.19 : x
  2. Step 2: Convert to fraction form
    10,382.02/15,569.21 = 8,165.19/x
  3. Step 3: Cross multiply
    10,382.02x = 15,569.21 × 8,165.19
  4. Step 4: Simplify right side
    10,382.02x = 127,125,557.80
  5. Step 5: Solve for x
    x = 127,125,557.80/10,382.02
  6. Step 6: Final answer
    x = 12,244.78

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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.