Home / 22,280.75-33,422.14-9,123.89

Finding the Fourth Proportional to 22,280.75, 33,422.14 and 9,123.89

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Solution

The fourth proportional to 22,280.75, 33,422.14 and 9,123.89 is: 13,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.75 : 33,422.14 = 9,123.89 : x
  2. Step 2: Convert to fraction form
    22,280.75/33,422.14 = 9,123.89/x
  3. Step 3: Cross multiply
    22,280.75x = 33,422.14 × 9,123.89
  4. Step 4: Simplify right side
    22,280.75x = 304,939,986.88
  5. Step 5: Solve for x
    x = 304,939,986.88/22,280.75
  6. Step 6: Final answer
    x = 13,686.26

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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.