Home / 10,921.13-16,381.70-2,713.13

Finding the Fourth Proportional to 10,921.13, 16,381.70 and 2,713.13

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Solution

The fourth proportional to 10,921.13, 16,381.70 and 2,713.13 is: 4,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.13 : 16,381.70 = 2,713.13 : x
  2. Step 2: Convert to fraction form
    10,921.13/16,381.70 = 2,713.13/x
  3. Step 3: Cross multiply
    10,921.13x = 16,381.70 × 2,713.13
  4. Step 4: Simplify right side
    10,921.13x = 44,445,586.25
  5. Step 5: Solve for x
    x = 44,445,586.25/10,921.13
  6. Step 6: Final answer
    x = 4,069.69

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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.