Home / 13,244.06-18,276.82-7,275.85

Finding the Fourth Proportional to 13,244.06, 18,276.82 and 7,275.85

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Solution

The fourth proportional to 13,244.06, 18,276.82 and 7,275.85 is: 10,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.06 : 18,276.82 = 7,275.85 : x
  2. Step 2: Convert to fraction form
    13,244.06/18,276.82 = 7,275.85/x
  3. Step 3: Cross multiply
    13,244.06x = 18,276.82 × 7,275.85
  4. Step 4: Simplify right side
    13,244.06x = 132,979,336.92
  5. Step 5: Solve for x
    x = 132,979,336.92/13,244.06
  6. Step 6: Final answer
    x = 10,040.68

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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.