Home / 18,824.04-28,249.02-7,137.36

Finding the Fourth Proportional to 18,824.04, 28,249.02 and 7,137.36

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Solution

The fourth proportional to 18,824.04, 28,249.02 and 7,137.36 is: 10,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.04 : 28,249.02 = 7,137.36 : x
  2. Step 2: Convert to fraction form
    18,824.04/28,249.02 = 7,137.36/x
  3. Step 3: Cross multiply
    18,824.04x = 28,249.02 × 7,137.36
  4. Step 4: Simplify right side
    18,824.04x = 201,623,425.39
  5. Step 5: Solve for x
    x = 201,623,425.39/18,824.04
  6. Step 6: Final answer
    x = 10,710.95

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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.