Home / 19,974.84-27,566.16-11,479.70

Finding the Fourth Proportional to 19,974.84, 27,566.16 and 11,479.70

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Solution

The fourth proportional to 19,974.84, 27,566.16 and 11,479.70 is: 15,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.84 : 27,566.16 = 11,479.70 : x
  2. Step 2: Convert to fraction form
    19,974.84/27,566.16 = 11,479.70/x
  3. Step 3: Cross multiply
    19,974.84x = 27,566.16 × 11,479.70
  4. Step 4: Simplify right side
    19,974.84x = 316,451,246.95
  5. Step 5: Solve for x
    x = 316,451,246.95/19,974.84
  6. Step 6: Final answer
    x = 15,842.49

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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.