Home / 21,341.05-32,013.12-8,193.42

Finding the Fourth Proportional to 21,341.05, 32,013.12 and 8,193.42

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Solution

The fourth proportional to 21,341.05, 32,013.12 and 8,193.42 is: 12,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.05 : 32,013.12 = 8,193.42 : x
  2. Step 2: Convert to fraction form
    21,341.05/32,013.12 = 8,193.42/x
  3. Step 3: Cross multiply
    21,341.05x = 32,013.12 × 8,193.42
  4. Step 4: Simplify right side
    21,341.05x = 262,296,934.63
  5. Step 5: Solve for x
    x = 262,296,934.63/21,341.05
  6. Step 6: Final answer
    x = 12,290.72

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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.