Home / 40,808.68-61,204.96-11,218.88

Finding the Fourth Proportional to 40,808.68, 61,204.96 and 11,218.88

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Solution

The fourth proportional to 40,808.68, 61,204.96 and 11,218.88 is: 16,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,808.68 : 61,204.96 = 11,218.88 : x
  2. Step 2: Convert to fraction form
    40,808.68/61,204.96 = 11,218.88/x
  3. Step 3: Cross multiply
    40,808.68x = 61,204.96 × 11,218.88
  4. Step 4: Simplify right side
    40,808.68x = 686,651,101.64
  5. Step 5: Solve for x
    x = 686,651,101.64/40,808.68
  6. Step 6: Final answer
    x = 16,826.10

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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.