Home / 13,417.44-20,065.68-10,255.80

Finding the Fourth Proportional to 13,417.44, 20,065.68 and 10,255.80

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Solution

The fourth proportional to 13,417.44, 20,065.68 and 10,255.80 is: 15,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.44 : 20,065.68 = 10,255.80 : x
  2. Step 2: Convert to fraction form
    13,417.44/20,065.68 = 10,255.80/x
  3. Step 3: Cross multiply
    13,417.44x = 20,065.68 × 10,255.80
  4. Step 4: Simplify right side
    13,417.44x = 205,789,600.94
  5. Step 5: Solve for x
    x = 205,789,600.94/13,417.44
  6. Step 6: Final answer
    x = 15,337.47

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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.