Home / 15,479.26-23,218.90-5,618.52

Finding the Fourth Proportional to 15,479.26, 23,218.90 and 5,618.52

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Solution

The fourth proportional to 15,479.26, 23,218.90 and 5,618.52 is: 8,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.26 : 23,218.90 = 5,618.52 : x
  2. Step 2: Convert to fraction form
    15,479.26/23,218.90 = 5,618.52/x
  3. Step 3: Cross multiply
    15,479.26x = 23,218.90 × 5,618.52
  4. Step 4: Simplify right side
    15,479.26x = 130,455,854.03
  5. Step 5: Solve for x
    x = 130,455,854.03/15,479.26
  6. Step 6: Final answer
    x = 8,427.78

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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.