Home / 14,378.11-19,842.21-8,998.83

Finding the Fourth Proportional to 14,378.11, 19,842.21 and 8,998.83

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Solution

The fourth proportional to 14,378.11, 19,842.21 and 8,998.83 is: 12,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.11 : 19,842.21 = 8,998.83 : x
  2. Step 2: Convert to fraction form
    14,378.11/19,842.21 = 8,998.83/x
  3. Step 3: Cross multiply
    14,378.11x = 19,842.21 × 8,998.83
  4. Step 4: Simplify right side
    14,378.11x = 178,556,674.61
  5. Step 5: Solve for x
    x = 178,556,674.61/14,378.11
  6. Step 6: Final answer
    x = 12,418.65

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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.