Home / 10,456.23-15,689.70-6,948.66

Finding the Fourth Proportional to 10,456.23, 15,689.70 and 6,948.66

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Solution

The fourth proportional to 10,456.23, 15,689.70 and 6,948.66 is: 10,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.23 : 15,689.70 = 6,948.66 : x
  2. Step 2: Convert to fraction form
    10,456.23/15,689.70 = 6,948.66/x
  3. Step 3: Cross multiply
    10,456.23x = 15,689.70 × 6,948.66
  4. Step 4: Simplify right side
    10,456.23x = 109,022,390.80
  5. Step 5: Solve for x
    x = 109,022,390.80/10,456.23
  6. Step 6: Final answer
    x = 10,426.55

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1.5x scale

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.