Home / 13,552.90-20,326.98-3,690.88

Finding the Fourth Proportional to 13,552.90, 20,326.98 and 3,690.88

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Solution

The fourth proportional to 13,552.90, 20,326.98 and 3,690.88 is: 5,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.90 : 20,326.98 = 3,690.88 : x
  2. Step 2: Convert to fraction form
    13,552.90/20,326.98 = 3,690.88/x
  3. Step 3: Cross multiply
    13,552.90x = 20,326.98 × 3,690.88
  4. Step 4: Simplify right side
    13,552.90x = 75,024,443.94
  5. Step 5: Solve for x
    x = 75,024,443.94/13,552.90
  6. Step 6: Final answer
    x = 5,535.67

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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.