Home / 11,257.93-15,535.96-6,781.87

Finding the Fourth Proportional to 11,257.93, 15,535.96 and 6,781.87

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Solution

The fourth proportional to 11,257.93, 15,535.96 and 6,781.87 is: 9,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.93 : 15,535.96 = 6,781.87 : x
  2. Step 2: Convert to fraction form
    11,257.93/15,535.96 = 6,781.87/x
  3. Step 3: Cross multiply
    11,257.93x = 15,535.96 × 6,781.87
  4. Step 4: Simplify right side
    11,257.93x = 105,362,805.25
  5. Step 5: Solve for x
    x = 105,362,805.25/11,257.93
  6. Step 6: Final answer
    x = 9,358.99

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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.