Home / 13,010.42-19,521.68-4,127.15

Finding the Fourth Proportional to 13,010.42, 19,521.68 and 4,127.15

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Solution

The fourth proportional to 13,010.42, 19,521.68 and 4,127.15 is: 6,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.42 : 19,521.68 = 4,127.15 : x
  2. Step 2: Convert to fraction form
    13,010.42/19,521.68 = 4,127.15/x
  3. Step 3: Cross multiply
    13,010.42x = 19,521.68 × 4,127.15
  4. Step 4: Simplify right side
    13,010.42x = 80,568,929.78
  5. Step 5: Solve for x
    x = 80,568,929.78/13,010.42
  6. Step 6: Final answer
    x = 6,192.65

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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.