Home / 12,334.68-18,513.36-8,874.36

Finding the Fourth Proportional to 12,334.68, 18,513.36 and 8,874.36

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Solution

The fourth proportional to 12,334.68, 18,513.36 and 8,874.36 is: 13,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.68 : 18,513.36 = 8,874.36 : x
  2. Step 2: Convert to fraction form
    12,334.68/18,513.36 = 8,874.36/x
  3. Step 3: Cross multiply
    12,334.68x = 18,513.36 × 8,874.36
  4. Step 4: Simplify right side
    12,334.68x = 164,294,221.45
  5. Step 5: Solve for x
    x = 164,294,221.45/12,334.68
  6. Step 6: Final answer
    x = 13,319.70

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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.