Home / 17,230.56-23,780.79-10,520.10

Finding the Fourth Proportional to 17,230.56, 23,780.79 and 10,520.10

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Solution

The fourth proportional to 17,230.56, 23,780.79 and 10,520.10 is: 14,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230.56 : 23,780.79 = 10,520.10 : x
  2. Step 2: Convert to fraction form
    17,230.56/23,780.79 = 10,520.10/x
  3. Step 3: Cross multiply
    17,230.56x = 23,780.79 × 10,520.10
  4. Step 4: Simplify right side
    17,230.56x = 250,176,288.88
  5. Step 5: Solve for x
    x = 250,176,288.88/17,230.56
  6. Step 6: Final answer
    x = 14,519.34

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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.