Home / 14,694.78-20,279.28-9,027.66

Finding the Fourth Proportional to 14,694.78, 20,279.28 and 9,027.66

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Solution

The fourth proportional to 14,694.78, 20,279.28 and 9,027.66 is: 12,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.78 : 20,279.28 = 9,027.66 : x
  2. Step 2: Convert to fraction form
    14,694.78/20,279.28 = 9,027.66/x
  3. Step 3: Cross multiply
    14,694.78x = 20,279.28 × 9,027.66
  4. Step 4: Simplify right side
    14,694.78x = 183,074,444.88
  5. Step 5: Solve for x
    x = 183,074,444.88/14,694.78
  6. Step 6: Final answer
    x = 12,458.47

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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.