Home / 10,086.64-15,125.16-3,512.02

Finding the Fourth Proportional to 10,086.64, 15,125.16 and 3,512.02

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Solution

The fourth proportional to 10,086.64, 15,125.16 and 3,512.02 is: 5,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.64 : 15,125.16 = 3,512.02 : x
  2. Step 2: Convert to fraction form
    10,086.64/15,125.16 = 3,512.02/x
  3. Step 3: Cross multiply
    10,086.64x = 15,125.16 × 3,512.02
  4. Step 4: Simplify right side
    10,086.64x = 53,119,864.42
  5. Step 5: Solve for x
    x = 53,119,864.42/10,086.64
  6. Step 6: Final answer
    x = 5,266.36

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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.