Home / 22,151.88-30,534.74-18,560.50

Finding the Fourth Proportional to 22,151.88, 30,534.74 and 18,560.50

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Solution

The fourth proportional to 22,151.88, 30,534.74 and 18,560.50 is: 25,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.88 : 30,534.74 = 18,560.50 : x
  2. Step 2: Convert to fraction form
    22,151.88/30,534.74 = 18,560.50/x
  3. Step 3: Cross multiply
    22,151.88x = 30,534.74 × 18,560.50
  4. Step 4: Simplify right side
    22,151.88x = 566,740,011.83
  5. Step 5: Solve for x
    x = 566,740,011.83/22,151.88
  6. Step 6: Final answer
    x = 25,584.29

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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.