Home / 13,953.62-19,261.05-9,239.42

Finding the Fourth Proportional to 13,953.62, 19,261.05 and 9,239.42

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Solution

The fourth proportional to 13,953.62, 19,261.05 and 9,239.42 is: 12,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.62 : 19,261.05 = 9,239.42 : x
  2. Step 2: Convert to fraction form
    13,953.62/19,261.05 = 9,239.42/x
  3. Step 3: Cross multiply
    13,953.62x = 19,261.05 × 9,239.42
  4. Step 4: Simplify right side
    13,953.62x = 177,960,930.59
  5. Step 5: Solve for x
    x = 177,960,930.59/13,953.62
  6. Step 6: Final answer
    x = 12,753.75

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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.