Home / 13,200.38-19,800.58-3,339.68

Finding the Fourth Proportional to 13,200.38, 19,800.58 and 3,339.68

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Solution

The fourth proportional to 13,200.38, 19,800.58 and 3,339.68 is: 5,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.38 : 19,800.58 = 3,339.68 : x
  2. Step 2: Convert to fraction form
    13,200.38/19,800.58 = 3,339.68/x
  3. Step 3: Cross multiply
    13,200.38x = 19,800.58 × 3,339.68
  4. Step 4: Simplify right side
    13,200.38x = 66,127,601.01
  5. Step 5: Solve for x
    x = 66,127,601.01/13,200.38
  6. Step 6: Final answer
    x = 5,009.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.