Home / 13,360.29-20,041.60-3,499.57

Finding the Fourth Proportional to 13,360.29, 20,041.60 and 3,499.57

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Solution

The fourth proportional to 13,360.29, 20,041.60 and 3,499.57 is: 5,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.29 : 20,041.60 = 3,499.57 : x
  2. Step 2: Convert to fraction form
    13,360.29/20,041.60 = 3,499.57/x
  3. Step 3: Cross multiply
    13,360.29x = 20,041.60 × 3,499.57
  4. Step 4: Simplify right side
    13,360.29x = 70,136,982.11
  5. Step 5: Solve for x
    x = 70,136,982.11/13,360.29
  6. Step 6: Final answer
    x = 5,249.66

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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.