Home / 14,137.44-19,513.15-8,172.55

Finding the Fourth Proportional to 14,137.44, 19,513.15 and 8,172.55

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Solution

The fourth proportional to 14,137.44, 19,513.15 and 8,172.55 is: 11,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.44 : 19,513.15 = 8,172.55 : x
  2. Step 2: Convert to fraction form
    14,137.44/19,513.15 = 8,172.55/x
  3. Step 3: Cross multiply
    14,137.44x = 19,513.15 × 8,172.55
  4. Step 4: Simplify right side
    14,137.44x = 159,472,134.20
  5. Step 5: Solve for x
    x = 159,472,134.20/14,137.44
  6. Step 6: Final answer
    x = 11,280.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.