Home / 15,938.30-21,994.88-8,864.73

Finding the Fourth Proportional to 15,938.30, 21,994.88 and 8,864.73

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Solution

The fourth proportional to 15,938.30, 21,994.88 and 8,864.73 is: 12,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.30 : 21,994.88 = 8,864.73 : x
  2. Step 2: Convert to fraction form
    15,938.30/21,994.88 = 8,864.73/x
  3. Step 3: Cross multiply
    15,938.30x = 21,994.88 × 8,864.73
  4. Step 4: Simplify right side
    15,938.30x = 194,978,628.26
  5. Step 5: Solve for x
    x = 194,978,628.26/15,938.30
  6. Step 6: Final answer
    x = 12,233.34

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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.