Home / 13,560.89-20,342.54-3,700.22

Finding the Fourth Proportional to 13,560.89, 20,342.54 and 3,700.22

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Solution

The fourth proportional to 13,560.89, 20,342.54 and 3,700.22 is: 5,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.89 : 20,342.54 = 3,700.22 : x
  2. Step 2: Convert to fraction form
    13,560.89/20,342.54 = 3,700.22/x
  3. Step 3: Cross multiply
    13,560.89x = 20,342.54 × 3,700.22
  4. Step 4: Simplify right side
    13,560.89x = 75,271,780.90
  5. Step 5: Solve for x
    x = 75,271,780.90/13,560.89
  6. Step 6: Final answer
    x = 5,550.65

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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.