Home / 12,484.67-18,719.76-5,910.80

Finding the Fourth Proportional to 12,484.67, 18,719.76 and 5,910.80

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Solution

The fourth proportional to 12,484.67, 18,719.76 and 5,910.80 is: 8,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.67 : 18,719.76 = 5,910.80 : x
  2. Step 2: Convert to fraction form
    12,484.67/18,719.76 = 5,910.80/x
  3. Step 3: Cross multiply
    12,484.67x = 18,719.76 × 5,910.80
  4. Step 4: Simplify right side
    12,484.67x = 110,648,757.41
  5. Step 5: Solve for x
    x = 110,648,757.41/12,484.67
  6. Step 6: Final answer
    x = 8,862.77

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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.