Home / 10,921.50-16,382.25-2,713.50

Finding the Fourth Proportional to 10,921.50, 16,382.25 and 2,713.50

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Solution

The fourth proportional to 10,921.50, 16,382.25 and 2,713.50 is: 4,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.50 : 16,382.25 = 2,713.50 : x
  2. Step 2: Convert to fraction form
    10,921.50/16,382.25 = 2,713.50/x
  3. Step 3: Cross multiply
    10,921.50x = 16,382.25 × 2,713.50
  4. Step 4: Simplify right side
    10,921.50x = 44,453,235.38
  5. Step 5: Solve for x
    x = 44,453,235.38/10,921.50
  6. Step 6: Final answer
    x = 4,070.25

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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.