Home / 19,815.76-27,348.57-12,264.52

Finding the Fourth Proportional to 19,815.76, 27,348.57 and 12,264.52

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Solution

The fourth proportional to 19,815.76, 27,348.57 and 12,264.52 is: 16,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.76 : 27,348.57 = 12,264.52 : x
  2. Step 2: Convert to fraction form
    19,815.76/27,348.57 = 12,264.52/x
  3. Step 3: Cross multiply
    19,815.76x = 27,348.57 × 12,264.52
  4. Step 4: Simplify right side
    19,815.76x = 335,417,083.74
  5. Step 5: Solve for x
    x = 335,417,083.74/19,815.76
  6. Step 6: Final answer
    x = 16,926.78

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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.