Home / 22,785.50-34,178.25-11,686.02

Finding the Fourth Proportional to 22,785.50, 34,178.25 and 11,686.02

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Solution

The fourth proportional to 22,785.50, 34,178.25 and 11,686.02 is: 17,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.50 : 34,178.25 = 11,686.02 : x
  2. Step 2: Convert to fraction form
    22,785.50/34,178.25 = 11,686.02/x
  3. Step 3: Cross multiply
    22,785.50x = 34,178.25 × 11,686.02
  4. Step 4: Simplify right side
    22,785.50x = 399,407,820.97
  5. Step 5: Solve for x
    x = 399,407,820.97/22,785.50
  6. Step 6: Final answer
    x = 17,529.03

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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.