Home / 11,338.20-15,647.18-6,302.39

Finding the Fourth Proportional to 11,338.20, 15,647.18 and 6,302.39

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Solution

The fourth proportional to 11,338.20, 15,647.18 and 6,302.39 is: 8,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.20 : 15,647.18 = 6,302.39 : x
  2. Step 2: Convert to fraction form
    11,338.20/15,647.18 = 6,302.39/x
  3. Step 3: Cross multiply
    11,338.20x = 15,647.18 × 6,302.39
  4. Step 4: Simplify right side
    11,338.20x = 98,614,521.01
  5. Step 5: Solve for x
    x = 98,614,521.01/11,338.20
  6. Step 6: Final answer
    x = 8,697.55

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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.