Home / 10,655.43-14,705.30-6,179.15

Finding the Fourth Proportional to 10,655.43, 14,705.30 and 6,179.15

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Solution

The fourth proportional to 10,655.43, 14,705.30 and 6,179.15 is: 8,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.43 : 14,705.30 = 6,179.15 : x
  2. Step 2: Convert to fraction form
    10,655.43/14,705.30 = 6,179.15/x
  3. Step 3: Cross multiply
    10,655.43x = 14,705.30 × 6,179.15
  4. Step 4: Simplify right side
    10,655.43x = 90,866,192.82
  5. Step 5: Solve for x
    x = 90,866,192.82/10,655.43
  6. Step 6: Final answer
    x = 8,527.69

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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.