Home / 15,987.26-23,979.06-4,301.39

Finding the Fourth Proportional to 15,987.26, 23,979.06 and 4,301.39

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Solution

The fourth proportional to 15,987.26, 23,979.06 and 4,301.39 is: 6,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.26 : 23,979.06 = 4,301.39 : x
  2. Step 2: Convert to fraction form
    15,987.26/23,979.06 = 4,301.39/x
  3. Step 3: Cross multiply
    15,987.26x = 23,979.06 × 4,301.39
  4. Step 4: Simplify right side
    15,987.26x = 103,143,169.00
  5. Step 5: Solve for x
    x = 103,143,169.00/15,987.26
  6. Step 6: Final answer
    x = 6,451.59

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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.