Home / 13,972.44-19,282-7,684.84

Finding the Fourth Proportional to 13,972.44, 19,282 and 7,684.84

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Solution

The fourth proportional to 13,972.44, 19,282 and 7,684.84 is: 10,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.44 : 19,282 = 7,684.84 : x
  2. Step 2: Convert to fraction form
    13,972.44/19,282 = 7,684.84/x
  3. Step 3: Cross multiply
    13,972.44x = 19,282 × 7,684.84
  4. Step 4: Simplify right side
    13,972.44x = 148,179,084.88
  5. Step 5: Solve for x
    x = 148,179,084.88/13,972.44
  6. Step 6: Final answer
    x = 10,605.10

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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.