Home / 15,110.29-20,852.19-8,304.26

Finding the Fourth Proportional to 15,110.29, 20,852.19 and 8,304.26

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Solution

The fourth proportional to 15,110.29, 20,852.19 and 8,304.26 is: 11,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.29 : 20,852.19 = 8,304.26 : x
  2. Step 2: Convert to fraction form
    15,110.29/20,852.19 = 8,304.26/x
  3. Step 3: Cross multiply
    15,110.29x = 20,852.19 × 8,304.26
  4. Step 4: Simplify right side
    15,110.29x = 173,162,059.46
  5. Step 5: Solve for x
    x = 173,162,059.46/15,110.29
  6. Step 6: Final answer
    x = 11,459.88

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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.