Home / 11,258.87-15,538.19-6,224.09

Finding the Fourth Proportional to 11,258.87, 15,538.19 and 6,224.09

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Solution

The fourth proportional to 11,258.87, 15,538.19 and 6,224.09 is: 8,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.87 : 15,538.19 = 6,224.09 : x
  2. Step 2: Convert to fraction form
    11,258.87/15,538.19 = 6,224.09/x
  3. Step 3: Cross multiply
    11,258.87x = 15,538.19 × 6,224.09
  4. Step 4: Simplify right side
    11,258.87x = 96,710,984.19
  5. Step 5: Solve for x
    x = 96,710,984.19/11,258.87
  6. Step 6: Final answer
    x = 8,589.76

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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.