Home / 13,227.04-18,254.16-8,742.92

Finding the Fourth Proportional to 13,227.04, 18,254.16 and 8,742.92

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Solution

The fourth proportional to 13,227.04, 18,254.16 and 8,742.92 is: 12,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.04 : 18,254.16 = 8,742.92 : x
  2. Step 2: Convert to fraction form
    13,227.04/18,254.16 = 8,742.92/x
  3. Step 3: Cross multiply
    13,227.04x = 18,254.16 × 8,742.92
  4. Step 4: Simplify right side
    13,227.04x = 159,594,660.55
  5. Step 5: Solve for x
    x = 159,594,660.55/13,227.04
  6. Step 6: Final answer
    x = 12,065.79

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Double scale
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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.