Home / 13,908.74-20,866.20-4,048.80

Finding the Fourth Proportional to 13,908.74, 20,866.20 and 4,048.80

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Solution

The fourth proportional to 13,908.74, 20,866.20 and 4,048.80 is: 6,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.74 : 20,866.20 = 4,048.80 : x
  2. Step 2: Convert to fraction form
    13,908.74/20,866.20 = 4,048.80/x
  3. Step 3: Cross multiply
    13,908.74x = 20,866.20 × 4,048.80
  4. Step 4: Simplify right side
    13,908.74x = 84,483,070.56
  5. Step 5: Solve for x
    x = 84,483,070.56/13,908.74
  6. Step 6: Final answer
    x = 6,074.10

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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.