Home / 12,008.48-18,011.29-3,244.07

Finding the Fourth Proportional to 12,008.48, 18,011.29 and 3,244.07

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Solution

The fourth proportional to 12,008.48, 18,011.29 and 3,244.07 is: 4,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.48 : 18,011.29 = 3,244.07 : x
  2. Step 2: Convert to fraction form
    12,008.48/18,011.29 = 3,244.07/x
  3. Step 3: Cross multiply
    12,008.48x = 18,011.29 × 3,244.07
  4. Step 4: Simplify right side
    12,008.48x = 58,429,885.55
  5. Step 5: Solve for x
    x = 58,429,885.55/12,008.48
  6. Step 6: Final answer
    x = 4,865.72

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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.