Home / 19,687.52-27,168.41-10,735.10

Finding the Fourth Proportional to 19,687.52, 27,168.41 and 10,735.10

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Solution

The fourth proportional to 19,687.52, 27,168.41 and 10,735.10 is: 14,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.52 : 27,168.41 = 10,735.10 : x
  2. Step 2: Convert to fraction form
    19,687.52/27,168.41 = 10,735.10/x
  3. Step 3: Cross multiply
    19,687.52x = 27,168.41 × 10,735.10
  4. Step 4: Simplify right side
    19,687.52x = 291,655,408.67
  5. Step 5: Solve for x
    x = 291,655,408.67/19,687.52
  6. Step 6: Final answer
    x = 14,814.23

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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.