Home / 13,953.75-19,261.22-9,239.55

Finding the Fourth Proportional to 13,953.75, 19,261.22 and 9,239.55

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Solution

The fourth proportional to 13,953.75, 19,261.22 and 9,239.55 is: 12,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.75 : 19,261.22 = 9,239.55 : x
  2. Step 2: Convert to fraction form
    13,953.75/19,261.22 = 9,239.55/x
  3. Step 3: Cross multiply
    13,953.75x = 19,261.22 × 9,239.55
  4. Step 4: Simplify right side
    13,953.75x = 177,965,005.25
  5. Step 5: Solve for x
    x = 177,965,005.25/13,953.75
  6. Step 6: Final answer
    x = 12,753.92

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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.