Home / 17,320.40-23,910.12-10,149.36

Finding the Fourth Proportional to 17,320.40, 23,910.12 and 10,149.36

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Solution

The fourth proportional to 17,320.40, 23,910.12 and 10,149.36 is: 14,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.40 : 23,910.12 = 10,149.36 : x
  2. Step 2: Convert to fraction form
    17,320.40/23,910.12 = 10,149.36/x
  3. Step 3: Cross multiply
    17,320.40x = 23,910.12 × 10,149.36
  4. Step 4: Simplify right side
    17,320.40x = 242,672,415.52
  5. Step 5: Solve for x
    x = 242,672,415.52/17,320.40
  6. Step 6: Final answer
    x = 14,010.79

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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.