Home / 22,260.86-33,391.29-12,915.26

Finding the Fourth Proportional to 22,260.86, 33,391.29 and 12,915.26

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Solution

The fourth proportional to 22,260.86, 33,391.29 and 12,915.26 is: 19,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.86 : 33,391.29 = 12,915.26 : x
  2. Step 2: Convert to fraction form
    22,260.86/33,391.29 = 12,915.26/x
  3. Step 3: Cross multiply
    22,260.86x = 33,391.29 × 12,915.26
  4. Step 4: Simplify right side
    22,260.86x = 431,257,192.09
  5. Step 5: Solve for x
    x = 431,257,192.09/22,260.86
  6. Step 6: Final answer
    x = 19,372.89

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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.