Home / 13,100.85-19,652.43-3,740.69

Finding the Fourth Proportional to 13,100.85, 19,652.43 and 3,740.69

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Solution

The fourth proportional to 13,100.85, 19,652.43 and 3,740.69 is: 5,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.85 : 19,652.43 = 3,740.69 : x
  2. Step 2: Convert to fraction form
    13,100.85/19,652.43 = 3,740.69/x
  3. Step 3: Cross multiply
    13,100.85x = 19,652.43 × 3,740.69
  4. Step 4: Simplify right side
    13,100.85x = 73,513,550.11
  5. Step 5: Solve for x
    x = 73,513,550.11/13,100.85
  6. Step 6: Final answer
    x = 5,611.36

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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.