Home / 12,725.19-19,072.10-9,227.21

Finding the Fourth Proportional to 12,725.19, 19,072.10 and 9,227.21

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Solution

The fourth proportional to 12,725.19, 19,072.10 and 9,227.21 is: 13,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.19 : 19,072.10 = 9,227.21 : x
  2. Step 2: Convert to fraction form
    12,725.19/19,072.10 = 9,227.21/x
  3. Step 3: Cross multiply
    12,725.19x = 19,072.10 × 9,227.21
  4. Step 4: Simplify right side
    12,725.19x = 175,982,130.34
  5. Step 5: Solve for x
    x = 175,982,130.34/12,725.19
  6. Step 6: Final answer
    x = 13,829.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.