Home / 11,834.40-16,327.66-7,856.28

Finding the Fourth Proportional to 11,834.40, 16,327.66 and 7,856.28

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Solution

The fourth proportional to 11,834.40, 16,327.66 and 7,856.28 is: 10,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.40 : 16,327.66 = 7,856.28 : x
  2. Step 2: Convert to fraction form
    11,834.40/16,327.66 = 7,856.28/x
  3. Step 3: Cross multiply
    11,834.40x = 16,327.66 × 7,856.28
  4. Step 4: Simplify right side
    11,834.40x = 128,274,777.30
  5. Step 5: Solve for x
    x = 128,274,777.30/11,834.40
  6. Step 6: Final answer
    x = 10,839.14

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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.