Home / 13,729.40-20,594.04-3,341.20

Finding the Fourth Proportional to 13,729.40, 20,594.04 and 3,341.20

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Solution

The fourth proportional to 13,729.40, 20,594.04 and 3,341.20 is: 5,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.40 : 20,594.04 = 3,341.20 : x
  2. Step 2: Convert to fraction form
    13,729.40/20,594.04 = 3,341.20/x
  3. Step 3: Cross multiply
    13,729.40x = 20,594.04 × 3,341.20
  4. Step 4: Simplify right side
    13,729.40x = 68,808,806.45
  5. Step 5: Solve for x
    x = 68,808,806.45/13,729.40
  6. Step 6: Final answer
    x = 5,011.79

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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.