Home / 12,882.32-19,279.72-9,973.60

Finding the Fourth Proportional to 12,882.32, 19,279.72 and 9,973.60

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Solution

The fourth proportional to 12,882.32, 19,279.72 and 9,973.60 is: 14,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.32 : 19,279.72 = 9,973.60 : x
  2. Step 2: Convert to fraction form
    12,882.32/19,279.72 = 9,973.60/x
  3. Step 3: Cross multiply
    12,882.32x = 19,279.72 × 9,973.60
  4. Step 4: Simplify right side
    12,882.32x = 192,288,215.39
  5. Step 5: Solve for x
    x = 192,288,215.39/12,882.32
  6. Step 6: Final answer
    x = 14,926.52

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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.