Home / 11,556.51-15,947.90-6,251.21

Finding the Fourth Proportional to 11,556.51, 15,947.90 and 6,251.21

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Solution

The fourth proportional to 11,556.51, 15,947.90 and 6,251.21 is: 8,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.51 : 15,947.90 = 6,251.21 : x
  2. Step 2: Convert to fraction form
    11,556.51/15,947.90 = 6,251.21/x
  3. Step 3: Cross multiply
    11,556.51x = 15,947.90 × 6,251.21
  4. Step 4: Simplify right side
    11,556.51x = 99,693,671.96
  5. Step 5: Solve for x
    x = 99,693,671.96/11,556.51
  6. Step 6: Final answer
    x = 8,626.63

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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.