Home / 18,824.88-28,231.56-6,510

Finding the Fourth Proportional to 18,824.88, 28,231.56 and 6,510

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Solution

The fourth proportional to 18,824.88, 28,231.56 and 6,510 is: 9,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.88 : 28,231.56 = 6,510 : x
  2. Step 2: Convert to fraction form
    18,824.88/28,231.56 = 6,510/x
  3. Step 3: Cross multiply
    18,824.88x = 28,231.56 × 6,510
  4. Step 4: Simplify right side
    18,824.88x = 183,787,455.60
  5. Step 5: Solve for x
    x = 183,787,455.60/18,824.88
  6. Step 6: Final answer
    x = 9,763.01

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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.