Home / 11,218.16-16,805.68-6,272.80

Finding the Fourth Proportional to 11,218.16, 16,805.68 and 6,272.80

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Solution

The fourth proportional to 11,218.16, 16,805.68 and 6,272.80 is: 9,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.16 : 16,805.68 = 6,272.80 : x
  2. Step 2: Convert to fraction form
    11,218.16/16,805.68 = 6,272.80/x
  3. Step 3: Cross multiply
    11,218.16x = 16,805.68 × 6,272.80
  4. Step 4: Simplify right side
    11,218.16x = 105,418,611.81
  5. Step 5: Solve for x
    x = 105,418,611.81/11,218.16
  6. Step 6: Final answer
    x = 9,397.14

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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.