Home / 19,255.21-26,571.89-10,757.45

Finding the Fourth Proportional to 19,255.21, 26,571.89 and 10,757.45

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Solution

The fourth proportional to 19,255.21, 26,571.89 and 10,757.45 is: 14,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.21 : 26,571.89 = 10,757.45 : x
  2. Step 2: Convert to fraction form
    19,255.21/26,571.89 = 10,757.45/x
  3. Step 3: Cross multiply
    19,255.21x = 26,571.89 × 10,757.45
  4. Step 4: Simplify right side
    19,255.21x = 285,845,871.40
  5. Step 5: Solve for x
    x = 285,845,871.40/19,255.21
  6. Step 6: Final answer
    x = 14,845.12

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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.