Home / 11,131.95-15,360.60-6,352.56

Finding the Fourth Proportional to 11,131.95, 15,360.60 and 6,352.56

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Solution

The fourth proportional to 11,131.95, 15,360.60 and 6,352.56 is: 8,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.95 : 15,360.60 = 6,352.56 : x
  2. Step 2: Convert to fraction form
    11,131.95/15,360.60 = 6,352.56/x
  3. Step 3: Cross multiply
    11,131.95x = 15,360.60 × 6,352.56
  4. Step 4: Simplify right side
    11,131.95x = 97,579,133.14
  5. Step 5: Solve for x
    x = 97,579,133.14/11,131.95
  6. Step 6: Final answer
    x = 8,765.68

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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.