Home / 18,900.64-28,352.33-5,753.03

Finding the Fourth Proportional to 18,900.64, 28,352.33 and 5,753.03

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Solution

The fourth proportional to 18,900.64, 28,352.33 and 5,753.03 is: 8,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.64 : 28,352.33 = 5,753.03 : x
  2. Step 2: Convert to fraction form
    18,900.64/28,352.33 = 5,753.03/x
  3. Step 3: Cross multiply
    18,900.64x = 28,352.33 × 5,753.03
  4. Step 4: Simplify right side
    18,900.64x = 163,111,656.11
  5. Step 5: Solve for x
    x = 163,111,656.11/18,900.64
  6. Step 6: Final answer
    x = 8,629.95

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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.