Home / 22,734.34-31,374.36-12,662.78

Finding the Fourth Proportional to 22,734.34, 31,374.36 and 12,662.78

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Solution

The fourth proportional to 22,734.34, 31,374.36 and 12,662.78 is: 17,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.34 : 31,374.36 = 12,662.78 : x
  2. Step 2: Convert to fraction form
    22,734.34/31,374.36 = 12,662.78/x
  3. Step 3: Cross multiply
    22,734.34x = 31,374.36 × 12,662.78
  4. Step 4: Simplify right side
    22,734.34x = 397,286,618.32
  5. Step 5: Solve for x
    x = 397,286,618.32/22,734.34
  6. Step 6: Final answer
    x = 17,475.18

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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.