Home / 11,038.60-15,233.43-6,322.78

Finding the Fourth Proportional to 11,038.60, 15,233.43 and 6,322.78

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Solution

The fourth proportional to 11,038.60, 15,233.43 and 6,322.78 is: 8,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.60 : 15,233.43 = 6,322.78 : x
  2. Step 2: Convert to fraction form
    11,038.60/15,233.43 = 6,322.78/x
  3. Step 3: Cross multiply
    11,038.60x = 15,233.43 × 6,322.78
  4. Step 4: Simplify right side
    11,038.60x = 96,317,626.54
  5. Step 5: Solve for x
    x = 96,317,626.54/11,038.60
  6. Step 6: Final answer
    x = 8,725.53

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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.