Home / 10,540.45-15,808.85-3,614.95

Finding the Fourth Proportional to 10,540.45, 15,808.85 and 3,614.95

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Solution

The fourth proportional to 10,540.45, 15,808.85 and 3,614.95 is: 5,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.45 : 15,808.85 = 3,614.95 : x
  2. Step 2: Convert to fraction form
    10,540.45/15,808.85 = 3,614.95/x
  3. Step 3: Cross multiply
    10,540.45x = 15,808.85 × 3,614.95
  4. Step 4: Simplify right side
    10,540.45x = 57,148,158.27
  5. Step 5: Solve for x
    x = 57,148,158.27/10,540.45
  6. Step 6: Final answer
    x = 5,421.80

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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.