Home / 12,549.20-18,827.24-5,158.89

Finding the Fourth Proportional to 12,549.20, 18,827.24 and 5,158.89

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Solution

The fourth proportional to 12,549.20, 18,827.24 and 5,158.89 is: 7,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.20 : 18,827.24 = 5,158.89 : x
  2. Step 2: Convert to fraction form
    12,549.20/18,827.24 = 5,158.89/x
  3. Step 3: Cross multiply
    12,549.20x = 18,827.24 × 5,158.89
  4. Step 4: Simplify right side
    12,549.20x = 97,127,634.37
  5. Step 5: Solve for x
    x = 97,127,634.37/12,549.20
  6. Step 6: Final answer
    x = 7,739.75

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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.