Home / 21,553.04-32,341.68-8,406.32

Finding the Fourth Proportional to 21,553.04, 32,341.68 and 8,406.32

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Solution

The fourth proportional to 21,553.04, 32,341.68 and 8,406.32 is: 12,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.04 : 32,341.68 = 8,406.32 : x
  2. Step 2: Convert to fraction form
    21,553.04/32,341.68 = 8,406.32/x
  3. Step 3: Cross multiply
    21,553.04x = 32,341.68 × 8,406.32
  4. Step 4: Simplify right side
    21,553.04x = 271,874,511.42
  5. Step 5: Solve for x
    x = 271,874,511.42/21,553.04
  6. Step 6: Final answer
    x = 12,614.21

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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.