Home / 10,651.23-14,689.15-6,672.78

Finding the Fourth Proportional to 10,651.23, 14,689.15 and 6,672.78

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Solution

The fourth proportional to 10,651.23, 14,689.15 and 6,672.78 is: 9,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.23 : 14,689.15 = 6,672.78 : x
  2. Step 2: Convert to fraction form
    10,651.23/14,689.15 = 6,672.78/x
  3. Step 3: Cross multiply
    10,651.23x = 14,689.15 × 6,672.78
  4. Step 4: Simplify right side
    10,651.23x = 98,017,449.66
  5. Step 5: Solve for x
    x = 98,017,449.66/10,651.23
  6. Step 6: Final answer
    x = 9,202.45

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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.