Home / 11,323.28-15,625.60-6,287.82

Finding the Fourth Proportional to 11,323.28, 15,625.60 and 6,287.82

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Solution

The fourth proportional to 11,323.28, 15,625.60 and 6,287.82 is: 8,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.28 : 15,625.60 = 6,287.82 : x
  2. Step 2: Convert to fraction form
    11,323.28/15,625.60 = 6,287.82/x
  3. Step 3: Cross multiply
    11,323.28x = 15,625.60 × 6,287.82
  4. Step 4: Simplify right side
    11,323.28x = 98,250,983.77
  5. Step 5: Solve for x
    x = 98,250,983.77/11,323.28
  6. Step 6: Final answer
    x = 8,676.90

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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.