Home / 12,150.68-16,767.72-6,845.40

Finding the Fourth Proportional to 12,150.68, 16,767.72 and 6,845.40

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Solution

The fourth proportional to 12,150.68, 16,767.72 and 6,845.40 is: 9,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.68 : 16,767.72 = 6,845.40 : x
  2. Step 2: Convert to fraction form
    12,150.68/16,767.72 = 6,845.40/x
  3. Step 3: Cross multiply
    12,150.68x = 16,767.72 × 6,845.40
  4. Step 4: Simplify right side
    12,150.68x = 114,781,750.49
  5. Step 5: Solve for x
    x = 114,781,750.49/12,150.68
  6. Step 6: Final answer
    x = 9,446.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.