Home / 13,246.52-18,272.59-8,269.88

Finding the Fourth Proportional to 13,246.52, 18,272.59 and 8,269.88

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Solution

The fourth proportional to 13,246.52, 18,272.59 and 8,269.88 is: 11,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.52 : 18,272.59 = 8,269.88 : x
  2. Step 2: Convert to fraction form
    13,246.52/18,272.59 = 8,269.88/x
  3. Step 3: Cross multiply
    13,246.52x = 18,272.59 × 8,269.88
  4. Step 4: Simplify right side
    13,246.52x = 151,112,014.55
  5. Step 5: Solve for x
    x = 151,112,014.55/13,246.52
  6. Step 6: Final answer
    x = 11,407.68

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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.