Home / 21,476.63-32,217.98-6,687.04

Finding the Fourth Proportional to 21,476.63, 32,217.98 and 6,687.04

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Solution

The fourth proportional to 21,476.63, 32,217.98 and 6,687.04 is: 10,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.63 : 32,217.98 = 6,687.04 : x
  2. Step 2: Convert to fraction form
    21,476.63/32,217.98 = 6,687.04/x
  3. Step 3: Cross multiply
    21,476.63x = 32,217.98 × 6,687.04
  4. Step 4: Simplify right side
    21,476.63x = 215,442,920.98
  5. Step 5: Solve for x
    x = 215,442,920.98/21,476.63
  6. Step 6: Final answer
    x = 10,031.50

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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.