Home / 13,348.20-18,417.78-8,041.80

Finding the Fourth Proportional to 13,348.20, 18,417.78 and 8,041.80

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Solution

The fourth proportional to 13,348.20, 18,417.78 and 8,041.80 is: 11,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.20 : 18,417.78 = 8,041.80 : x
  2. Step 2: Convert to fraction form
    13,348.20/18,417.78 = 8,041.80/x
  3. Step 3: Cross multiply
    13,348.20x = 18,417.78 × 8,041.80
  4. Step 4: Simplify right side
    13,348.20x = 148,112,103.20
  5. Step 5: Solve for x
    x = 148,112,103.20/13,348.20
  6. Step 6: Final answer
    x = 11,096.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.