Home / 13,265.76-18,308.16-8,233.20

Finding the Fourth Proportional to 13,265.76, 18,308.16 and 8,233.20

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Solution

The fourth proportional to 13,265.76, 18,308.16 and 8,233.20 is: 11,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.76 : 18,308.16 = 8,233.20 : x
  2. Step 2: Convert to fraction form
    13,265.76/18,308.16 = 8,233.20/x
  3. Step 3: Cross multiply
    13,265.76x = 18,308.16 × 8,233.20
  4. Step 4: Simplify right side
    13,265.76x = 150,734,742.91
  5. Step 5: Solve for x
    x = 150,734,742.91/13,265.76
  6. Step 6: Final answer
    x = 11,362.69

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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.