Home / 13,400.87-20,110.53-6,013.59

Finding the Fourth Proportional to 13,400.87, 20,110.53 and 6,013.59

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Solution

The fourth proportional to 13,400.87, 20,110.53 and 6,013.59 is: 9,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.87 : 20,110.53 = 6,013.59 : x
  2. Step 2: Convert to fraction form
    13,400.87/20,110.53 = 6,013.59/x
  3. Step 3: Cross multiply
    13,400.87x = 20,110.53 × 6,013.59
  4. Step 4: Simplify right side
    13,400.87x = 120,936,508.53
  5. Step 5: Solve for x
    x = 120,936,508.53/13,400.87
  6. Step 6: Final answer
    x = 9,024.53

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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.