Home / 15,317.60-22,979.08-5,456.64

Finding the Fourth Proportional to 15,317.60, 22,979.08 and 5,456.64

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Solution

The fourth proportional to 15,317.60, 22,979.08 and 5,456.64 is: 8,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.60 : 22,979.08 = 5,456.64 : x
  2. Step 2: Convert to fraction form
    15,317.60/22,979.08 = 5,456.64/x
  3. Step 3: Cross multiply
    15,317.60x = 22,979.08 × 5,456.64
  4. Step 4: Simplify right side
    15,317.60x = 125,388,567.09
  5. Step 5: Solve for x
    x = 125,388,567.09/15,317.60
  6. Step 6: Final answer
    x = 8,185.91

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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.