Home / 10,967.40-15,117.84-8,304.12

Finding the Fourth Proportional to 10,967.40, 15,117.84 and 8,304.12

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Solution

The fourth proportional to 10,967.40, 15,117.84 and 8,304.12 is: 11,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.40 : 15,117.84 = 8,304.12 : x
  2. Step 2: Convert to fraction form
    10,967.40/15,117.84 = 8,304.12/x
  3. Step 3: Cross multiply
    10,967.40x = 15,117.84 × 8,304.12
  4. Step 4: Simplify right side
    10,967.40x = 125,540,357.50
  5. Step 5: Solve for x
    x = 125,540,357.50/10,967.40
  6. Step 6: Final answer
    x = 11,446.68

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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.