Home / 20,446.29-28,214.49-11,495.19

Finding the Fourth Proportional to 20,446.29, 28,214.49 and 11,495.19

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Solution

The fourth proportional to 20,446.29, 28,214.49 and 11,495.19 is: 15,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.29 : 28,214.49 = 11,495.19 : x
  2. Step 2: Convert to fraction form
    20,446.29/28,214.49 = 11,495.19/x
  3. Step 3: Cross multiply
    20,446.29x = 28,214.49 × 11,495.19
  4. Step 4: Simplify right side
    20,446.29x = 324,330,774.39
  5. Step 5: Solve for x
    x = 324,330,774.39/20,446.29
  6. Step 6: Final answer
    x = 15,862.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.