Home / 11,292.78-15,585.06-6,257.70

Finding the Fourth Proportional to 11,292.78, 15,585.06 and 6,257.70

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Solution

The fourth proportional to 11,292.78, 15,585.06 and 6,257.70 is: 8,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.78 : 15,585.06 = 6,257.70 : x
  2. Step 2: Convert to fraction form
    11,292.78/15,585.06 = 6,257.70/x
  3. Step 3: Cross multiply
    11,292.78x = 15,585.06 × 6,257.70
  4. Step 4: Simplify right side
    11,292.78x = 97,526,629.96
  5. Step 5: Solve for x
    x = 97,526,629.96/11,292.78
  6. Step 6: Final answer
    x = 8,636.19

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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.