Home / 13,985.82-19,306.71-9,208.26

Finding the Fourth Proportional to 13,985.82, 19,306.71 and 9,208.26

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Solution

The fourth proportional to 13,985.82, 19,306.71 and 9,208.26 is: 12,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.82 : 19,306.71 = 9,208.26 : x
  2. Step 2: Convert to fraction form
    13,985.82/19,306.71 = 9,208.26/x
  3. Step 3: Cross multiply
    13,985.82x = 19,306.71 × 9,208.26
  4. Step 4: Simplify right side
    13,985.82x = 177,781,205.42
  5. Step 5: Solve for x
    x = 177,781,205.42/13,985.82
  6. Step 6: Final answer
    x = 12,711.53

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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.