Home / 12,537.12-18,805.53-3,049.49

Finding the Fourth Proportional to 12,537.12, 18,805.53 and 3,049.49

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Solution

The fourth proportional to 12,537.12, 18,805.53 and 3,049.49 is: 4,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.12 : 18,805.53 = 3,049.49 : x
  2. Step 2: Convert to fraction form
    12,537.12/18,805.53 = 3,049.49/x
  3. Step 3: Cross multiply
    12,537.12x = 18,805.53 × 3,049.49
  4. Step 4: Simplify right side
    12,537.12x = 57,347,322.69
  5. Step 5: Solve for x
    x = 57,347,322.69/12,537.12
  6. Step 6: Final answer
    x = 4,574.20

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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.