Home / 13,346.10-20,019.15-11,175.30

Finding the Fourth Proportional to 13,346.10, 20,019.15 and 11,175.30

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Solution

The fourth proportional to 13,346.10, 20,019.15 and 11,175.30 is: 16,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.10 : 20,019.15 = 11,175.30 : x
  2. Step 2: Convert to fraction form
    13,346.10/20,019.15 = 11,175.30/x
  3. Step 3: Cross multiply
    13,346.10x = 20,019.15 × 11,175.30
  4. Step 4: Simplify right side
    13,346.10x = 223,720,007.00
  5. Step 5: Solve for x
    x = 223,720,007.00/13,346.10
  6. Step 6: Final answer
    x = 16,762.95

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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.