Home / 18,283.49-27,419.79-7,753.35

Finding the Fourth Proportional to 18,283.49, 27,419.79 and 7,753.35

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Solution

The fourth proportional to 18,283.49, 27,419.79 and 7,753.35 is: 11,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.49 : 27,419.79 = 7,753.35 : x
  2. Step 2: Convert to fraction form
    18,283.49/27,419.79 = 7,753.35/x
  3. Step 3: Cross multiply
    18,283.49x = 27,419.79 × 7,753.35
  4. Step 4: Simplify right side
    18,283.49x = 212,595,228.80
  5. Step 5: Solve for x
    x = 212,595,228.80/18,283.49
  6. Step 6: Final answer
    x = 11,627.72

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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.