Home / 21,624.48-29,841.92-12,193.20

Finding the Fourth Proportional to 21,624.48, 29,841.92 and 12,193.20

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Solution

The fourth proportional to 21,624.48, 29,841.92 and 12,193.20 is: 16,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.48 : 29,841.92 = 12,193.20 : x
  2. Step 2: Convert to fraction form
    21,624.48/29,841.92 = 12,193.20/x
  3. Step 3: Cross multiply
    21,624.48x = 29,841.92 × 12,193.20
  4. Step 4: Simplify right side
    21,624.48x = 363,868,498.94
  5. Step 5: Solve for x
    x = 363,868,498.94/21,624.48
  6. Step 6: Final answer
    x = 16,826.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.