Home / 15,559.39-23,339.07-5,171.14

Finding the Fourth Proportional to 15,559.39, 23,339.07 and 5,171.14

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Solution

The fourth proportional to 15,559.39, 23,339.07 and 5,171.14 is: 7,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.39 : 23,339.07 = 5,171.14 : x
  2. Step 2: Convert to fraction form
    15,559.39/23,339.07 = 5,171.14/x
  3. Step 3: Cross multiply
    15,559.39x = 23,339.07 × 5,171.14
  4. Step 4: Simplify right side
    15,559.39x = 120,689,598.44
  5. Step 5: Solve for x
    x = 120,689,598.44/15,559.39
  6. Step 6: Final answer
    x = 7,756.71

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Half scale
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Double scale
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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.