Home / 15,636.63-21,568.17-11,162.91

Finding the Fourth Proportional to 15,636.63, 21,568.17 and 11,162.91

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Solution

The fourth proportional to 15,636.63, 21,568.17 and 11,162.91 is: 15,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.63 : 21,568.17 = 11,162.91 : x
  2. Step 2: Convert to fraction form
    15,636.63/21,568.17 = 11,162.91/x
  3. Step 3: Cross multiply
    15,636.63x = 21,568.17 × 11,162.91
  4. Step 4: Simplify right side
    15,636.63x = 240,763,540.57
  5. Step 5: Solve for x
    x = 240,763,540.57/15,636.63
  6. Step 6: Final answer
    x = 15,397.41

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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.