Home / 15,112.64-22,644.36-11,975.72

Finding the Fourth Proportional to 15,112.64, 22,644.36 and 11,975.72

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Solution

The fourth proportional to 15,112.64, 22,644.36 and 11,975.72 is: 17,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.64 : 22,644.36 = 11,975.72 : x
  2. Step 2: Convert to fraction form
    15,112.64/22,644.36 = 11,975.72/x
  3. Step 3: Cross multiply
    15,112.64x = 22,644.36 × 11,975.72
  4. Step 4: Simplify right side
    15,112.64x = 271,182,401.72
  5. Step 5: Solve for x
    x = 271,182,401.72/15,112.64
  6. Step 6: Final answer
    x = 17,944.08

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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.