Home / 22,642.26-31,247.33-12,570.84

Finding the Fourth Proportional to 22,642.26, 31,247.33 and 12,570.84

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Solution

The fourth proportional to 22,642.26, 31,247.33 and 12,570.84 is: 17,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.26 : 31,247.33 = 12,570.84 : x
  2. Step 2: Convert to fraction form
    22,642.26/31,247.33 = 12,570.84/x
  3. Step 3: Cross multiply
    22,642.26x = 31,247.33 × 12,570.84
  4. Step 4: Simplify right side
    22,642.26x = 392,805,123.00
  5. Step 5: Solve for x
    x = 392,805,123.00/22,642.26
  6. Step 6: Final answer
    x = 17,348.32

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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.