Home / 10,985.85-16,482.42-4,408.65

Finding the Fourth Proportional to 10,985.85, 16,482.42 and 4,408.65

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Solution

The fourth proportional to 10,985.85, 16,482.42 and 4,408.65 is: 6,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.85 : 16,482.42 = 4,408.65 : x
  2. Step 2: Convert to fraction form
    10,985.85/16,482.42 = 4,408.65/x
  3. Step 3: Cross multiply
    10,985.85x = 16,482.42 × 4,408.65
  4. Step 4: Simplify right side
    10,985.85x = 72,665,220.93
  5. Step 5: Solve for x
    x = 72,665,220.93/10,985.85
  6. Step 6: Final answer
    x = 6,614.44

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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.