Home / 13,028.85-19,543.14-3,168.18

Finding the Fourth Proportional to 13,028.85, 19,543.14 and 3,168.18

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Solution

The fourth proportional to 13,028.85, 19,543.14 and 3,168.18 is: 4,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.85 : 19,543.14 = 3,168.18 : x
  2. Step 2: Convert to fraction form
    13,028.85/19,543.14 = 3,168.18/x
  3. Step 3: Cross multiply
    13,028.85x = 19,543.14 × 3,168.18
  4. Step 4: Simplify right side
    13,028.85x = 61,916,185.29
  5. Step 5: Solve for x
    x = 61,916,185.29/13,028.85
  6. Step 6: Final answer
    x = 4,752.24

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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.