Home / 10,947.60-16,440.84-7,667.10

Finding the Fourth Proportional to 10,947.60, 16,440.84 and 7,667.10

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Solution

The fourth proportional to 10,947.60, 16,440.84 and 7,667.10 is: 11,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.60 : 16,440.84 = 7,667.10 : x
  2. Step 2: Convert to fraction form
    10,947.60/16,440.84 = 7,667.10/x
  3. Step 3: Cross multiply
    10,947.60x = 16,440.84 × 7,667.10
  4. Step 4: Simplify right side
    10,947.60x = 126,053,564.36
  5. Step 5: Solve for x
    x = 126,053,564.36/10,947.60
  6. Step 6: Final answer
    x = 11,514.26

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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.