Home / 11,275.37-15,542.03-8,881.55

Finding the Fourth Proportional to 11,275.37, 15,542.03 and 8,881.55

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Solution

The fourth proportional to 11,275.37, 15,542.03 and 8,881.55 is: 12,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.37 : 15,542.03 = 8,881.55 : x
  2. Step 2: Convert to fraction form
    11,275.37/15,542.03 = 8,881.55/x
  3. Step 3: Cross multiply
    11,275.37x = 15,542.03 × 8,881.55
  4. Step 4: Simplify right side
    11,275.37x = 138,037,194.43
  5. Step 5: Solve for x
    x = 138,037,194.43/11,275.37
  6. Step 6: Final answer
    x = 12,242.37

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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.