Home / 15,034.26-20,746.28-8,319.41

Finding the Fourth Proportional to 15,034.26, 20,746.28 and 8,319.41

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Solution

The fourth proportional to 15,034.26, 20,746.28 and 8,319.41 is: 11,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.26 : 20,746.28 = 8,319.41 : x
  2. Step 2: Convert to fraction form
    15,034.26/20,746.28 = 8,319.41/x
  3. Step 3: Cross multiply
    15,034.26x = 20,746.28 × 8,319.41
  4. Step 4: Simplify right side
    15,034.26x = 172,596,757.36
  5. Step 5: Solve for x
    x = 172,596,757.36/15,034.26
  6. Step 6: Final answer
    x = 11,480.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.