Home / 21,787.11-32,677.56-6,997.32

Finding the Fourth Proportional to 21,787.11, 32,677.56 and 6,997.32

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Solution

The fourth proportional to 21,787.11, 32,677.56 and 6,997.32 is: 10,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787.11 : 32,677.56 = 6,997.32 : x
  2. Step 2: Convert to fraction form
    21,787.11/32,677.56 = 6,997.32/x
  3. Step 3: Cross multiply
    21,787.11x = 32,677.56 × 6,997.32
  4. Step 4: Simplify right side
    21,787.11x = 228,655,344.14
  5. Step 5: Solve for x
    x = 228,655,344.14/21,787.11
  6. Step 6: Final answer
    x = 10,494.98

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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.