Home / 12,393.67-18,581.85-4,600.39

Finding the Fourth Proportional to 12,393.67, 18,581.85 and 4,600.39

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Solution

The fourth proportional to 12,393.67, 18,581.85 and 4,600.39 is: 6,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.67 : 18,581.85 = 4,600.39 : x
  2. Step 2: Convert to fraction form
    12,393.67/18,581.85 = 4,600.39/x
  3. Step 3: Cross multiply
    12,393.67x = 18,581.85 × 4,600.39
  4. Step 4: Simplify right side
    12,393.67x = 85,483,756.92
  5. Step 5: Solve for x
    x = 85,483,756.92/12,393.67
  6. Step 6: Final answer
    x = 6,897.37

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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.