Home / 12,299.85-18,452.89-3,534.76

Finding the Fourth Proportional to 12,299.85, 18,452.89 and 3,534.76

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Solution

The fourth proportional to 12,299.85, 18,452.89 and 3,534.76 is: 5,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.85 : 18,452.89 = 3,534.76 : x
  2. Step 2: Convert to fraction form
    12,299.85/18,452.89 = 3,534.76/x
  3. Step 3: Cross multiply
    12,299.85x = 18,452.89 × 3,534.76
  4. Step 4: Simplify right side
    12,299.85x = 65,226,537.46
  5. Step 5: Solve for x
    x = 65,226,537.46/12,299.85
  6. Step 6: Final answer
    x = 5,303.04

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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.