Home / 10,833.92-14,943.12-9,170.72

Finding the Fourth Proportional to 10,833.92, 14,943.12 and 9,170.72

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Solution

The fourth proportional to 10,833.92, 14,943.12 and 9,170.72 is: 12,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,833.92 : 14,943.12 = 9,170.72 : x
  2. Step 2: Convert to fraction form
    10,833.92/14,943.12 = 9,170.72/x
  3. Step 3: Cross multiply
    10,833.92x = 14,943.12 × 9,170.72
  4. Step 4: Simplify right side
    10,833.92x = 137,039,169.45
  5. Step 5: Solve for x
    x = 137,039,169.45/10,833.92
  6. Step 6: Final answer
    x = 12,649.08

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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.