Home / 22,335.51-30,821.31-12,262.35

Finding the Fourth Proportional to 22,335.51, 30,821.31 and 12,262.35

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Solution

The fourth proportional to 22,335.51, 30,821.31 and 12,262.35 is: 16,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.51 : 30,821.31 = 12,262.35 : x
  2. Step 2: Convert to fraction form
    22,335.51/30,821.31 = 12,262.35/x
  3. Step 3: Cross multiply
    22,335.51x = 30,821.31 × 12,262.35
  4. Step 4: Simplify right side
    22,335.51x = 377,941,690.68
  5. Step 5: Solve for x
    x = 377,941,690.68/22,335.51
  6. Step 6: Final answer
    x = 16,921.11

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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.