Home / 13,552.65-20,324.86-3,690.63

Finding the Fourth Proportional to 13,552.65, 20,324.86 and 3,690.63

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Solution

The fourth proportional to 13,552.65, 20,324.86 and 3,690.63 is: 5,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.65 : 20,324.86 = 3,690.63 : x
  2. Step 2: Convert to fraction form
    13,552.65/20,324.86 = 3,690.63/x
  3. Step 3: Cross multiply
    13,552.65x = 20,324.86 × 3,690.63
  4. Step 4: Simplify right side
    13,552.65x = 75,011,528.84
  5. Step 5: Solve for x
    x = 75,011,528.84/13,552.65
  6. Step 6: Final answer
    x = 5,534.82

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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.