Home / 12,713.97-19,071.21-8,950.35

Finding the Fourth Proportional to 12,713.97, 19,071.21 and 8,950.35

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Solution

The fourth proportional to 12,713.97, 19,071.21 and 8,950.35 is: 13,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.97 : 19,071.21 = 8,950.35 : x
  2. Step 2: Convert to fraction form
    12,713.97/19,071.21 = 8,950.35/x
  3. Step 3: Cross multiply
    12,713.97x = 19,071.21 × 8,950.35
  4. Step 4: Simplify right side
    12,713.97x = 170,693,959.67
  5. Step 5: Solve for x
    x = 170,693,959.67/12,713.97
  6. Step 6: Final answer
    x = 13,425.70

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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.