Home / 15,062.28-20,787.24-8,690.04

Finding the Fourth Proportional to 15,062.28, 20,787.24 and 8,690.04

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Solution

The fourth proportional to 15,062.28, 20,787.24 and 8,690.04 is: 11,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.28 : 20,787.24 = 8,690.04 : x
  2. Step 2: Convert to fraction form
    15,062.28/20,787.24 = 8,690.04/x
  3. Step 3: Cross multiply
    15,062.28x = 20,787.24 × 8,690.04
  4. Step 4: Simplify right side
    15,062.28x = 180,641,947.09
  5. Step 5: Solve for x
    x = 180,641,947.09/15,062.28
  6. Step 6: Final answer
    x = 11,993.00

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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.