Home / 12,851.55-19,277.33-6,995.88

Finding the Fourth Proportional to 12,851.55, 19,277.33 and 6,995.88

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Solution

The fourth proportional to 12,851.55, 19,277.33 and 6,995.88 is: 10,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851.55 : 19,277.33 = 6,995.88 : x
  2. Step 2: Convert to fraction form
    12,851.55/19,277.33 = 6,995.88/x
  3. Step 3: Cross multiply
    12,851.55x = 19,277.33 × 6,995.88
  4. Step 4: Simplify right side
    12,851.55x = 134,861,852.42
  5. Step 5: Solve for x
    x = 134,861,852.42/12,851.55
  6. Step 6: Final answer
    x = 10,493.82

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.