Home / 21,787.46-32,687.58-6,996.08

Finding the Fourth Proportional to 21,787.46, 32,687.58 and 6,996.08

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Solution

The fourth proportional to 21,787.46, 32,687.58 and 6,996.08 is: 10,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787.46 : 32,687.58 = 6,996.08 : x
  2. Step 2: Convert to fraction form
    21,787.46/32,687.58 = 6,996.08/x
  3. Step 3: Cross multiply
    21,787.46x = 32,687.58 × 6,996.08
  4. Step 4: Simplify right side
    21,787.46x = 228,684,924.69
  5. Step 5: Solve for x
    x = 228,684,924.69/21,787.46
  6. Step 6: Final answer
    x = 10,496.17

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1.5x scale

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.