Home / 22,958.19-34,430.76-8,915.22

Finding the Fourth Proportional to 22,958.19, 34,430.76 and 8,915.22

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Solution

The fourth proportional to 22,958.19, 34,430.76 and 8,915.22 is: 13,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,958.19 : 34,430.76 = 8,915.22 : x
  2. Step 2: Convert to fraction form
    22,958.19/34,430.76 = 8,915.22/x
  3. Step 3: Cross multiply
    22,958.19x = 34,430.76 × 8,915.22
  4. Step 4: Simplify right side
    22,958.19x = 306,957,714.09
  5. Step 5: Solve for x
    x = 306,957,714.09/22,958.19
  6. Step 6: Final answer
    x = 13,370.29

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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.