Home / 17,006.60-25,509.90-5,319.86

Finding the Fourth Proportional to 17,006.60, 25,509.90 and 5,319.86

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Solution

The fourth proportional to 17,006.60, 25,509.90 and 5,319.86 is: 7,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006.60 : 25,509.90 = 5,319.86 : x
  2. Step 2: Convert to fraction form
    17,006.60/25,509.90 = 5,319.86/x
  3. Step 3: Cross multiply
    17,006.60x = 25,509.90 × 5,319.86
  4. Step 4: Simplify right side
    17,006.60x = 135,709,096.61
  5. Step 5: Solve for x
    x = 135,709,096.61/17,006.60
  6. Step 6: Final answer
    x = 7,979.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.