Home / 18,822.24-28,233.36-6,511.20

Finding the Fourth Proportional to 18,822.24, 28,233.36 and 6,511.20

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Solution

The fourth proportional to 18,822.24, 28,233.36 and 6,511.20 is: 9,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.24 : 28,233.36 = 6,511.20 : x
  2. Step 2: Convert to fraction form
    18,822.24/28,233.36 = 6,511.20/x
  3. Step 3: Cross multiply
    18,822.24x = 28,233.36 × 6,511.20
  4. Step 4: Simplify right side
    18,822.24x = 183,833,053.63
  5. Step 5: Solve for x
    x = 183,833,053.63/18,822.24
  6. Step 6: Final answer
    x = 9,766.80

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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.