Home / 12,110.64-18,178.92-9,829.68

Finding the Fourth Proportional to 12,110.64, 18,178.92 and 9,829.68

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Solution

The fourth proportional to 12,110.64, 18,178.92 and 9,829.68 is: 14,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.64 : 18,178.92 = 9,829.68 : x
  2. Step 2: Convert to fraction form
    12,110.64/18,178.92 = 9,829.68/x
  3. Step 3: Cross multiply
    12,110.64x = 18,178.92 × 9,829.68
  4. Step 4: Simplify right side
    12,110.64x = 178,692,966.35
  5. Step 5: Solve for x
    x = 178,692,966.35/12,110.64
  6. Step 6: Final answer
    x = 14,755.04

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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.