Home / 23,022.33-31,770.05-12,951.20

Finding the Fourth Proportional to 23,022.33, 31,770.05 and 12,951.20

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Solution

The fourth proportional to 23,022.33, 31,770.05 and 12,951.20 is: 17,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022.33 : 31,770.05 = 12,951.20 : x
  2. Step 2: Convert to fraction form
    23,022.33/31,770.05 = 12,951.20/x
  3. Step 3: Cross multiply
    23,022.33x = 31,770.05 × 12,951.20
  4. Step 4: Simplify right side
    23,022.33x = 411,460,047.95
  5. Step 5: Solve for x
    x = 411,460,047.95/23,022.33
  6. Step 6: Final answer
    x = 17,872.22

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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.