Home / 18,894.17-28,342.26-5,745.53

Finding the Fourth Proportional to 18,894.17, 28,342.26 and 5,745.53

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Solution

The fourth proportional to 18,894.17, 28,342.26 and 5,745.53 is: 8,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.17 : 28,342.26 = 5,745.53 : x
  2. Step 2: Convert to fraction form
    18,894.17/28,342.26 = 5,745.53/x
  3. Step 3: Cross multiply
    18,894.17x = 28,342.26 × 5,745.53
  4. Step 4: Simplify right side
    18,894.17x = 162,841,305.10
  5. Step 5: Solve for x
    x = 162,841,305.10/18,894.17
  6. Step 6: Final answer
    x = 8,618.60

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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.