Home / 11,557.90-15,949.90-6,252.72

Finding the Fourth Proportional to 11,557.90, 15,949.90 and 6,252.72

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Solution

The fourth proportional to 11,557.90, 15,949.90 and 6,252.72 is: 8,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.90 : 15,949.90 = 6,252.72 : x
  2. Step 2: Convert to fraction form
    11,557.90/15,949.90 = 6,252.72/x
  3. Step 3: Cross multiply
    11,557.90x = 15,949.90 × 6,252.72
  4. Step 4: Simplify right side
    11,557.90x = 99,730,258.73
  5. Step 5: Solve for x
    x = 99,730,258.73/11,557.90
  6. Step 6: Final answer
    x = 8,628.75

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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.