Home / 11,086.16-16,642.20-7,206.80

Finding the Fourth Proportional to 11,086.16, 16,642.20 and 7,206.80

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Solution

The fourth proportional to 11,086.16, 16,642.20 and 7,206.80 is: 10,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.16 : 16,642.20 = 7,206.80 : x
  2. Step 2: Convert to fraction form
    11,086.16/16,642.20 = 7,206.80/x
  3. Step 3: Cross multiply
    11,086.16x = 16,642.20 × 7,206.80
  4. Step 4: Simplify right side
    11,086.16x = 119,937,006.96
  5. Step 5: Solve for x
    x = 119,937,006.96/11,086.16
  6. Step 6: Final answer
    x = 10,818.62

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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.