Home / 21,063.72-31,595.04-6,272.76

Finding the Fourth Proportional to 21,063.72, 31,595.04 and 6,272.76

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Solution

The fourth proportional to 21,063.72, 31,595.04 and 6,272.76 is: 9,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.72 : 31,595.04 = 6,272.76 : x
  2. Step 2: Convert to fraction form
    21,063.72/31,595.04 = 6,272.76/x
  3. Step 3: Cross multiply
    21,063.72x = 31,595.04 × 6,272.76
  4. Step 4: Simplify right side
    21,063.72x = 198,188,103.11
  5. Step 5: Solve for x
    x = 198,188,103.11/21,063.72
  6. Step 6: Final answer
    x = 9,408.98

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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.