Home / 22,334.28-30,820.74-12,398.28

Finding the Fourth Proportional to 22,334.28, 30,820.74 and 12,398.28

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Solution

The fourth proportional to 22,334.28, 30,820.74 and 12,398.28 is: 17,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.28 : 30,820.74 = 12,398.28 : x
  2. Step 2: Convert to fraction form
    22,334.28/30,820.74 = 12,398.28/x
  3. Step 3: Cross multiply
    22,334.28x = 30,820.74 × 12,398.28
  4. Step 4: Simplify right side
    22,334.28x = 382,124,164.33
  5. Step 5: Solve for x
    x = 382,124,164.33/22,334.28
  6. Step 6: Final answer
    x = 17,109.31

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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.