Home / 9,657.12-14,486.90-2,731.62

Finding the Fourth Proportional to 9,657.12, 14,486.90 and 2,731.62

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Solution

The fourth proportional to 9,657.12, 14,486.90 and 2,731.62 is: 4,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,657.12 : 14,486.90 = 2,731.62 : x
  2. Step 2: Convert to fraction form
    9,657.12/14,486.90 = 2,731.62/x
  3. Step 3: Cross multiply
    9,657.12x = 14,486.90 × 2,731.62
  4. Step 4: Simplify right side
    9,657.12x = 39,572,705.78
  5. Step 5: Solve for x
    x = 39,572,705.78/9,657.12
  6. Step 6: Final answer
    x = 4,097.78

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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.