Home / 15,043.37-20,760.25-8,329.58

Finding the Fourth Proportional to 15,043.37, 20,760.25 and 8,329.58

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Solution

The fourth proportional to 15,043.37, 20,760.25 and 8,329.58 is: 11,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.37 : 20,760.25 = 8,329.58 : x
  2. Step 2: Convert to fraction form
    15,043.37/20,760.25 = 8,329.58/x
  3. Step 3: Cross multiply
    15,043.37x = 20,760.25 × 8,329.58
  4. Step 4: Simplify right side
    15,043.37x = 172,924,248.82
  5. Step 5: Solve for x
    x = 172,924,248.82/15,043.37
  6. Step 6: Final answer
    x = 11,495.05

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Double scale
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Similar ratio
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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.