Home / 15,446.22-21,316.38-9,394.71

Finding the Fourth Proportional to 15,446.22, 21,316.38 and 9,394.71

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Solution

The fourth proportional to 15,446.22, 21,316.38 and 9,394.71 is: 12,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.22 : 21,316.38 = 9,394.71 : x
  2. Step 2: Convert to fraction form
    15,446.22/21,316.38 = 9,394.71/x
  3. Step 3: Cross multiply
    15,446.22x = 21,316.38 × 9,394.71
  4. Step 4: Simplify right side
    15,446.22x = 200,261,208.35
  5. Step 5: Solve for x
    x = 200,261,208.35/15,446.22
  6. Step 6: Final answer
    x = 12,965.06

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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.