Home / 11,865.29-16,376.07-8,035.20

Finding the Fourth Proportional to 11,865.29, 16,376.07 and 8,035.20

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Solution

The fourth proportional to 11,865.29, 16,376.07 and 8,035.20 is: 11,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.29 : 16,376.07 = 8,035.20 : x
  2. Step 2: Convert to fraction form
    11,865.29/16,376.07 = 8,035.20/x
  3. Step 3: Cross multiply
    11,865.29x = 16,376.07 × 8,035.20
  4. Step 4: Simplify right side
    11,865.29x = 131,585,027.80
  5. Step 5: Solve for x
    x = 131,585,027.80/11,865.29
  6. Step 6: Final answer
    x = 11,089.92

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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.