Home / 10,862.92-14,990.96-6,326.76

Finding the Fourth Proportional to 10,862.92, 14,990.96 and 6,326.76

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Solution

The fourth proportional to 10,862.92, 14,990.96 and 6,326.76 is: 8,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.92 : 14,990.96 = 6,326.76 : x
  2. Step 2: Convert to fraction form
    10,862.92/14,990.96 = 6,326.76/x
  3. Step 3: Cross multiply
    10,862.92x = 14,990.96 × 6,326.76
  4. Step 4: Simplify right side
    10,862.92x = 94,844,206.09
  5. Step 5: Solve for x
    x = 94,844,206.09/10,862.92
  6. Step 6: Final answer
    x = 8,731.00

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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.