Home / 13,239.06-18,269.19-7,573.92

Finding the Fourth Proportional to 13,239.06, 18,269.19 and 7,573.92

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Solution

The fourth proportional to 13,239.06, 18,269.19 and 7,573.92 is: 10,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.06 : 18,269.19 = 7,573.92 : x
  2. Step 2: Convert to fraction form
    13,239.06/18,269.19 = 7,573.92/x
  3. Step 3: Cross multiply
    13,239.06x = 18,269.19 × 7,573.92
  4. Step 4: Simplify right side
    13,239.06x = 138,369,383.52
  5. Step 5: Solve for x
    x = 138,369,383.52/13,239.06
  6. Step 6: Final answer
    x = 10,451.60

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Half 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.