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Finding the Fourth Proportional to 15,034.00, 20,746.41 and 8,319.91

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Solution

The fourth proportional to 15,034.00, 20,746.41 and 8,319.91 is: 11,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.00 : 20,746.41 = 8,319.91 : x
  2. Step 2: Convert to fraction form
    15,034.00/20,746.41 = 8,319.91/x
  3. Step 3: Cross multiply
    15,034.00x = 20,746.41 × 8,319.91
  4. Step 4: Simplify right side
    15,034.00x = 172,608,360.06
  5. Step 5: Solve for x
    x = 172,608,360.06/15,034.00
  6. Step 6: Final answer
    x = 11,481.20

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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.