Home / 12,738.16-19,099.95-5,336.38

Finding the Fourth Proportional to 12,738.16, 19,099.95 and 5,336.38

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Solution

The fourth proportional to 12,738.16, 19,099.95 and 5,336.38 is: 8,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.16 : 19,099.95 = 5,336.38 : x
  2. Step 2: Convert to fraction form
    12,738.16/19,099.95 = 5,336.38/x
  3. Step 3: Cross multiply
    12,738.16x = 19,099.95 × 5,336.38
  4. Step 4: Simplify right side
    12,738.16x = 101,924,625.06
  5. Step 5: Solve for x
    x = 101,924,625.06/12,738.16
  6. Step 6: Final answer
    x = 8,001.52

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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.