Home / 19,709.06-27,199.12-10,757.40

Finding the Fourth Proportional to 19,709.06, 27,199.12 and 10,757.40

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Solution

The fourth proportional to 19,709.06, 27,199.12 and 10,757.40 is: 14,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.06 : 27,199.12 = 10,757.40 : x
  2. Step 2: Convert to fraction form
    19,709.06/27,199.12 = 10,757.40/x
  3. Step 3: Cross multiply
    19,709.06x = 27,199.12 × 10,757.40
  4. Step 4: Simplify right side
    19,709.06x = 292,591,813.49
  5. Step 5: Solve for x
    x = 292,591,813.49/19,709.06
  6. Step 6: Final answer
    x = 14,845.55

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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.