Home / 10,867.57-15,004.34-8,344.92

Finding the Fourth Proportional to 10,867.57, 15,004.34 and 8,344.92

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Solution

The fourth proportional to 10,867.57, 15,004.34 and 8,344.92 is: 11,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.57 : 15,004.34 = 8,344.92 : x
  2. Step 2: Convert to fraction form
    10,867.57/15,004.34 = 8,344.92/x
  3. Step 3: Cross multiply
    10,867.57x = 15,004.34 × 8,344.92
  4. Step 4: Simplify right side
    10,867.57x = 125,210,062.79
  5. Step 5: Solve for x
    x = 125,210,062.79/10,867.57
  6. Step 6: Final answer
    x = 11,521.44

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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.