Home / 12,824.62-19,243.70-9,100.46

Finding the Fourth Proportional to 12,824.62, 19,243.70 and 9,100.46

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Solution

The fourth proportional to 12,824.62, 19,243.70 and 9,100.46 is: 13,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.62 : 19,243.70 = 9,100.46 : x
  2. Step 2: Convert to fraction form
    12,824.62/19,243.70 = 9,100.46/x
  3. Step 3: Cross multiply
    12,824.62x = 19,243.70 × 9,100.46
  4. Step 4: Simplify right side
    12,824.62x = 175,126,522.10
  5. Step 5: Solve for x
    x = 175,126,522.10/12,824.62
  6. Step 6: Final answer
    x = 13,655.49

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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.