Home / 18,896.22-28,345.95-5,748.71

Finding the Fourth Proportional to 18,896.22, 28,345.95 and 5,748.71

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Solution

The fourth proportional to 18,896.22, 28,345.95 and 5,748.71 is: 8,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.22 : 28,345.95 = 5,748.71 : x
  2. Step 2: Convert to fraction form
    18,896.22/28,345.95 = 5,748.71/x
  3. Step 3: Cross multiply
    18,896.22x = 28,345.95 × 5,748.71
  4. Step 4: Simplify right side
    18,896.22x = 162,952,504.49
  5. Step 5: Solve for x
    x = 162,952,504.49/18,896.22
  6. Step 6: Final answer
    x = 8,623.55

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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.