Home / 12,458.24-18,695.28-4,667.84

Finding the Fourth Proportional to 12,458.24, 18,695.28 and 4,667.84

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Solution

The fourth proportional to 12,458.24, 18,695.28 and 4,667.84 is: 7,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.24 : 18,695.28 = 4,667.84 : x
  2. Step 2: Convert to fraction form
    12,458.24/18,695.28 = 4,667.84/x
  3. Step 3: Cross multiply
    12,458.24x = 18,695.28 × 4,667.84
  4. Step 4: Simplify right side
    12,458.24x = 87,266,575.80
  5. Step 5: Solve for x
    x = 87,266,575.80/12,458.24
  6. Step 6: Final answer
    x = 7,004.73

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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.