Home / 22,660.59-31,268.25-12,589.19

Finding the Fourth Proportional to 22,660.59, 31,268.25 and 12,589.19

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Solution

The fourth proportional to 22,660.59, 31,268.25 and 12,589.19 is: 17,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.59 : 31,268.25 = 12,589.19 : x
  2. Step 2: Convert to fraction form
    22,660.59/31,268.25 = 12,589.19/x
  3. Step 3: Cross multiply
    22,660.59x = 31,268.25 × 12,589.19
  4. Step 4: Simplify right side
    22,660.59x = 393,641,783.88
  5. Step 5: Solve for x
    x = 393,641,783.88/22,660.59
  6. Step 6: Final answer
    x = 17,371.21

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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.