Home / 13,417.92-20,126.61-5,626.80

Finding the Fourth Proportional to 13,417.92, 20,126.61 and 5,626.80

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Solution

The fourth proportional to 13,417.92, 20,126.61 and 5,626.80 is: 8,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.92 : 20,126.61 = 5,626.80 : x
  2. Step 2: Convert to fraction form
    13,417.92/20,126.61 = 5,626.80/x
  3. Step 3: Cross multiply
    13,417.92x = 20,126.61 × 5,626.80
  4. Step 4: Simplify right side
    13,417.92x = 113,248,409.15
  5. Step 5: Solve for x
    x = 113,248,409.15/13,417.92
  6. Step 6: Final answer
    x = 8,440.09

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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.