Home / 15,394.86-23,020.20-10,998.72

Finding the Fourth Proportional to 15,394.86, 23,020.20 and 10,998.72

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Solution

The fourth proportional to 15,394.86, 23,020.20 and 10,998.72 is: 16,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,394.86 : 23,020.20 = 10,998.72 : x
  2. Step 2: Convert to fraction form
    15,394.86/23,020.20 = 10,998.72/x
  3. Step 3: Cross multiply
    15,394.86x = 23,020.20 × 10,998.72
  4. Step 4: Simplify right side
    15,394.86x = 253,192,734.14
  5. Step 5: Solve for x
    x = 253,192,734.14/15,394.86
  6. Step 6: Final answer
    x = 16,446.58

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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.