Home / 19,709.78-27,199.28-10,757.34

Finding the Fourth Proportional to 19,709.78, 27,199.28 and 10,757.34

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Solution

The fourth proportional to 19,709.78, 27,199.28 and 10,757.34 is: 14,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.78 : 27,199.28 = 10,757.34 : x
  2. Step 2: Convert to fraction form
    19,709.78/27,199.28 = 10,757.34/x
  3. Step 3: Cross multiply
    19,709.78x = 27,199.28 × 10,757.34
  4. Step 4: Simplify right side
    19,709.78x = 292,591,902.72
  5. Step 5: Solve for x
    x = 292,591,902.72/19,709.78
  6. Step 6: Final answer
    x = 14,845.01

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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.