Home / 21,956.37-32,934.30-8,808.51

Finding the Fourth Proportional to 21,956.37, 32,934.30 and 8,808.51

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Solution

The fourth proportional to 21,956.37, 32,934.30 and 8,808.51 is: 13,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.37 : 32,934.30 = 8,808.51 : x
  2. Step 2: Convert to fraction form
    21,956.37/32,934.30 = 8,808.51/x
  3. Step 3: Cross multiply
    21,956.37x = 32,934.30 × 8,808.51
  4. Step 4: Simplify right side
    21,956.37x = 290,102,110.89
  5. Step 5: Solve for x
    x = 290,102,110.89/21,956.37
  6. Step 6: Final answer
    x = 13,212.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.