Home / 20,859.22-31,264.19-7,696.22

Finding the Fourth Proportional to 20,859.22, 31,264.19 and 7,696.22

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Solution

The fourth proportional to 20,859.22, 31,264.19 and 7,696.22 is: 11,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859.22 : 31,264.19 = 7,696.22 : x
  2. Step 2: Convert to fraction form
    20,859.22/31,264.19 = 7,696.22/x
  3. Step 3: Cross multiply
    20,859.22x = 31,264.19 × 7,696.22
  4. Step 4: Simplify right side
    20,859.22x = 240,616,084.36
  5. Step 5: Solve for x
    x = 240,616,084.36/20,859.22
  6. Step 6: Final answer
    x = 11,535.24

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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.