Home / 13,834.20-20,746.21-4,947.13

Finding the Fourth Proportional to 13,834.20, 20,746.21 and 4,947.13

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Solution

The fourth proportional to 13,834.20, 20,746.21 and 4,947.13 is: 7,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.20 : 20,746.21 = 4,947.13 : x
  2. Step 2: Convert to fraction form
    13,834.20/20,746.21 = 4,947.13/x
  3. Step 3: Cross multiply
    13,834.20x = 20,746.21 × 4,947.13
  4. Step 4: Simplify right side
    13,834.20x = 102,634,197.88
  5. Step 5: Solve for x
    x = 102,634,197.88/13,834.20
  6. Step 6: Final answer
    x = 7,418.87

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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.