Home / 13,295.09-19,937.68-4,408.78

Finding the Fourth Proportional to 13,295.09, 19,937.68 and 4,408.78

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Solution

The fourth proportional to 13,295.09, 19,937.68 and 4,408.78 is: 6,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.09 : 19,937.68 = 4,408.78 : x
  2. Step 2: Convert to fraction form
    13,295.09/19,937.68 = 4,408.78/x
  3. Step 3: Cross multiply
    13,295.09x = 19,937.68 × 4,408.78
  4. Step 4: Simplify right side
    13,295.09x = 87,900,844.83
  5. Step 5: Solve for x
    x = 87,900,844.83/13,295.09
  6. Step 6: Final answer
    x = 6,611.53

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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.