Home / 13,863.84-19,132.20-7,576.80

Finding the Fourth Proportional to 13,863.84, 19,132.20 and 7,576.80

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Solution

The fourth proportional to 13,863.84, 19,132.20 and 7,576.80 is: 10,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.84 : 19,132.20 = 7,576.80 : x
  2. Step 2: Convert to fraction form
    13,863.84/19,132.20 = 7,576.80/x
  3. Step 3: Cross multiply
    13,863.84x = 19,132.20 × 7,576.80
  4. Step 4: Simplify right side
    13,863.84x = 144,960,852.96
  5. Step 5: Solve for x
    x = 144,960,852.96/13,863.84
  6. Step 6: Final answer
    x = 10,456.04

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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.