Home / 12,982.29-19,488.84-10,927.86

Finding the Fourth Proportional to 12,982.29, 19,488.84 and 10,927.86

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Solution

The fourth proportional to 12,982.29, 19,488.84 and 10,927.86 is: 16,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.29 : 19,488.84 = 10,927.86 : x
  2. Step 2: Convert to fraction form
    12,982.29/19,488.84 = 10,927.86/x
  3. Step 3: Cross multiply
    12,982.29x = 19,488.84 × 10,927.86
  4. Step 4: Simplify right side
    12,982.29x = 212,971,315.08
  5. Step 5: Solve for x
    x = 212,971,315.08/12,982.29
  6. Step 6: Final answer
    x = 16,404.76

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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.