Home / 11,081.74-15,293.98-6,777.35

Finding the Fourth Proportional to 11,081.74, 15,293.98 and 6,777.35

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Solution

The fourth proportional to 11,081.74, 15,293.98 and 6,777.35 is: 9,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.74 : 15,293.98 = 6,777.35 : x
  2. Step 2: Convert to fraction form
    11,081.74/15,293.98 = 6,777.35/x
  3. Step 3: Cross multiply
    11,081.74x = 15,293.98 × 6,777.35
  4. Step 4: Simplify right side
    11,081.74x = 103,652,655.35
  5. Step 5: Solve for x
    x = 103,652,655.35/11,081.74
  6. Step 6: Final answer
    x = 9,353.46

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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.