Home / 12,256.20-16,913.40-6,667.20

Finding the Fourth Proportional to 12,256.20, 16,913.40 and 6,667.20

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Solution

The fourth proportional to 12,256.20, 16,913.40 and 6,667.20 is: 9,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.20 : 16,913.40 = 6,667.20 : x
  2. Step 2: Convert to fraction form
    12,256.20/16,913.40 = 6,667.20/x
  3. Step 3: Cross multiply
    12,256.20x = 16,913.40 × 6,667.20
  4. Step 4: Simplify right side
    12,256.20x = 112,765,020.48
  5. Step 5: Solve for x
    x = 112,765,020.48/12,256.20
  6. Step 6: Final answer
    x = 9,200.65

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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.