Home / 10,855.59-16,281.70-4,191.13

Finding the Fourth Proportional to 10,855.59, 16,281.70 and 4,191.13

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Solution

The fourth proportional to 10,855.59, 16,281.70 and 4,191.13 is: 6,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.59 : 16,281.70 = 4,191.13 : x
  2. Step 2: Convert to fraction form
    10,855.59/16,281.70 = 4,191.13/x
  3. Step 3: Cross multiply
    10,855.59x = 16,281.70 × 4,191.13
  4. Step 4: Simplify right side
    10,855.59x = 68,238,731.20
  5. Step 5: Solve for x
    x = 68,238,731.20/10,855.59
  6. Step 6: Final answer
    x = 6,286.05

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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.