Home / 15,937.21-21,994.68-8,864.97

Finding the Fourth Proportional to 15,937.21, 21,994.68 and 8,864.97

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Solution

The fourth proportional to 15,937.21, 21,994.68 and 8,864.97 is: 12,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.21 : 21,994.68 = 8,864.97 : x
  2. Step 2: Convert to fraction form
    15,937.21/21,994.68 = 8,864.97/x
  3. Step 3: Cross multiply
    15,937.21x = 21,994.68 × 8,864.97
  4. Step 4: Simplify right side
    15,937.21x = 194,982,178.36
  5. Step 5: Solve for x
    x = 194,982,178.36/15,937.21
  6. Step 6: Final answer
    x = 12,234.40

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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.