Home / 14,691.84-20,278.34-9,027.96

Finding the Fourth Proportional to 14,691.84, 20,278.34 and 9,027.96

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Solution

The fourth proportional to 14,691.84, 20,278.34 and 9,027.96 is: 12,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.84 : 20,278.34 = 9,027.96 : x
  2. Step 2: Convert to fraction form
    14,691.84/20,278.34 = 9,027.96/x
  3. Step 3: Cross multiply
    14,691.84x = 20,278.34 × 9,027.96
  4. Step 4: Simplify right side
    14,691.84x = 183,072,042.39
  5. Step 5: Solve for x
    x = 183,072,042.39/14,691.84
  6. Step 6: Final answer
    x = 12,460.80

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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.