Home / 18,906.29-28,363.55-5,758.33

Finding the Fourth Proportional to 18,906.29, 28,363.55 and 5,758.33

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Solution

The fourth proportional to 18,906.29, 28,363.55 and 5,758.33 is: 8,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.29 : 28,363.55 = 5,758.33 : x
  2. Step 2: Convert to fraction form
    18,906.29/28,363.55 = 5,758.33/x
  3. Step 3: Cross multiply
    18,906.29x = 28,363.55 × 5,758.33
  4. Step 4: Simplify right side
    18,906.29x = 163,326,581.17
  5. Step 5: Solve for x
    x = 163,326,581.17/18,906.29
  6. Step 6: Final answer
    x = 8,638.74

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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.