Home / 11,149.62-15,386.06-6,113.73

Finding the Fourth Proportional to 11,149.62, 15,386.06 and 6,113.73

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Solution

The fourth proportional to 11,149.62, 15,386.06 and 6,113.73 is: 8,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.62 : 15,386.06 = 6,113.73 : x
  2. Step 2: Convert to fraction form
    11,149.62/15,386.06 = 6,113.73/x
  3. Step 3: Cross multiply
    11,149.62x = 15,386.06 × 6,113.73
  4. Step 4: Simplify right side
    11,149.62x = 94,066,216.60
  5. Step 5: Solve for x
    x = 94,066,216.60/11,149.62
  6. Step 6: Final answer
    x = 8,436.72

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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.