Home / 13,560.85-20,341.05-3,700.30

Finding the Fourth Proportional to 13,560.85, 20,341.05 and 3,700.30

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Solution

The fourth proportional to 13,560.85, 20,341.05 and 3,700.30 is: 5,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.85 : 20,341.05 = 3,700.30 : x
  2. Step 2: Convert to fraction form
    13,560.85/20,341.05 = 3,700.30/x
  3. Step 3: Cross multiply
    13,560.85x = 20,341.05 × 3,700.30
  4. Step 4: Simplify right side
    13,560.85x = 75,267,987.32
  5. Step 5: Solve for x
    x = 75,267,987.32/13,560.85
  6. Step 6: Final answer
    x = 5,550.39

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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.