Home / 15,559.12-23,339.04-5,171.68

Finding the Fourth Proportional to 15,559.12, 23,339.04 and 5,171.68

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Solution

The fourth proportional to 15,559.12, 23,339.04 and 5,171.68 is: 7,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.12 : 23,339.04 = 5,171.68 : x
  2. Step 2: Convert to fraction form
    15,559.12/23,339.04 = 5,171.68/x
  3. Step 3: Cross multiply
    15,559.12x = 23,339.04 × 5,171.68
  4. Step 4: Simplify right side
    15,559.12x = 120,702,046.39
  5. Step 5: Solve for x
    x = 120,702,046.39/15,559.12
  6. Step 6: Final answer
    x = 7,757.64

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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.