Home / 21,660.92-32,492.54-6,870.96

Finding the Fourth Proportional to 21,660.92, 32,492.54 and 6,870.96

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Solution

The fourth proportional to 21,660.92, 32,492.54 and 6,870.96 is: 10,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.92 : 32,492.54 = 6,870.96 : x
  2. Step 2: Convert to fraction form
    21,660.92/32,492.54 = 6,870.96/x
  3. Step 3: Cross multiply
    21,660.92x = 32,492.54 × 6,870.96
  4. Step 4: Simplify right side
    21,660.92x = 223,254,942.64
  5. Step 5: Solve for x
    x = 223,254,942.64/21,660.92
  6. Step 6: Final answer
    x = 10,306.81

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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.