Home / 10,081.45-15,126.63-3,512.35

Finding the Fourth Proportional to 10,081.45, 15,126.63 and 3,512.35

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Solution

The fourth proportional to 10,081.45, 15,126.63 and 3,512.35 is: 5,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.45 : 15,126.63 = 3,512.35 : x
  2. Step 2: Convert to fraction form
    10,081.45/15,126.63 = 3,512.35/x
  3. Step 3: Cross multiply
    10,081.45x = 15,126.63 × 3,512.35
  4. Step 4: Simplify right side
    10,081.45x = 53,130,018.88
  5. Step 5: Solve for x
    x = 53,130,018.88/10,081.45
  6. Step 6: Final answer
    x = 5,270.08

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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.