Home / 13,758.94-20,641.17-4,398.67

Finding the Fourth Proportional to 13,758.94, 20,641.17 and 4,398.67

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Solution

The fourth proportional to 13,758.94, 20,641.17 and 4,398.67 is: 6,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.94 : 20,641.17 = 4,398.67 : x
  2. Step 2: Convert to fraction form
    13,758.94/20,641.17 = 4,398.67/x
  3. Step 3: Cross multiply
    13,758.94x = 20,641.17 × 4,398.67
  4. Step 4: Simplify right side
    13,758.94x = 90,793,592.04
  5. Step 5: Solve for x
    x = 90,793,592.04/13,758.94
  6. Step 6: Final answer
    x = 6,598.88

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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.