Home / 10,326.66-14,253.04-6,790.20

Finding the Fourth Proportional to 10,326.66, 14,253.04 and 6,790.20

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Solution

The fourth proportional to 10,326.66, 14,253.04 and 6,790.20 is: 9,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.66 : 14,253.04 = 6,790.20 : x
  2. Step 2: Convert to fraction form
    10,326.66/14,253.04 = 6,790.20/x
  3. Step 3: Cross multiply
    10,326.66x = 14,253.04 × 6,790.20
  4. Step 4: Simplify right side
    10,326.66x = 96,780,992.21
  5. Step 5: Solve for x
    x = 96,780,992.21/10,326.66
  6. Step 6: Final answer
    x = 9,371.95

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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.