Home / 13,401.51-20,095.77-4,039.78

Finding the Fourth Proportional to 13,401.51, 20,095.77 and 4,039.78

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Solution

The fourth proportional to 13,401.51, 20,095.77 and 4,039.78 is: 6,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.51 : 20,095.77 = 4,039.78 : x
  2. Step 2: Convert to fraction form
    13,401.51/20,095.77 = 4,039.78/x
  3. Step 3: Cross multiply
    13,401.51x = 20,095.77 × 4,039.78
  4. Step 4: Simplify right side
    13,401.51x = 81,182,519.77
  5. Step 5: Solve for x
    x = 81,182,519.77/13,401.51
  6. Step 6: Final answer
    x = 6,057.71

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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.