Home / 22,793.80-31,457.03-12,724.21

Finding the Fourth Proportional to 22,793.80, 31,457.03 and 12,724.21

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Solution

The fourth proportional to 22,793.80, 31,457.03 and 12,724.21 is: 17,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.80 : 31,457.03 = 12,724.21 : x
  2. Step 2: Convert to fraction form
    22,793.80/31,457.03 = 12,724.21/x
  3. Step 3: Cross multiply
    22,793.80x = 31,457.03 × 12,724.21
  4. Step 4: Simplify right side
    22,793.80x = 400,265,785.01
  5. Step 5: Solve for x
    x = 400,265,785.01/22,793.80
  6. Step 6: Final answer
    x = 17,560.29

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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.