Home / 18,856.24-28,296.29-10,541.71

Finding the Fourth Proportional to 18,856.24, 28,296.29 and 10,541.71

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Solution

The fourth proportional to 18,856.24, 28,296.29 and 10,541.71 is: 15,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.24 : 28,296.29 = 10,541.71 : x
  2. Step 2: Convert to fraction form
    18,856.24/28,296.29 = 10,541.71/x
  3. Step 3: Cross multiply
    18,856.24x = 28,296.29 × 10,541.71
  4. Step 4: Simplify right side
    18,856.24x = 298,291,161.37
  5. Step 5: Solve for x
    x = 298,291,161.37/18,856.24
  6. Step 6: Final answer
    x = 15,819.23

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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.