Home / 13,341.85-20,014.93-4,105.69

Finding the Fourth Proportional to 13,341.85, 20,014.93 and 4,105.69

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Solution

The fourth proportional to 13,341.85, 20,014.93 and 4,105.69 is: 6,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.85 : 20,014.93 = 4,105.69 : x
  2. Step 2: Convert to fraction form
    13,341.85/20,014.93 = 4,105.69/x
  3. Step 3: Cross multiply
    13,341.85x = 20,014.93 × 4,105.69
  4. Step 4: Simplify right side
    13,341.85x = 82,175,053.05
  5. Step 5: Solve for x
    x = 82,175,053.05/13,341.85
  6. Step 6: Final answer
    x = 6,159.20

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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.