Home / 17,219.52-25,825.73-7,856.91

Finding the Fourth Proportional to 17,219.52, 25,825.73 and 7,856.91

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Solution

The fourth proportional to 17,219.52, 25,825.73 and 7,856.91 is: 11,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.52 : 25,825.73 = 7,856.91 : x
  2. Step 2: Convert to fraction form
    17,219.52/25,825.73 = 7,856.91/x
  3. Step 3: Cross multiply
    17,219.52x = 25,825.73 × 7,856.91
  4. Step 4: Simplify right side
    17,219.52x = 202,910,397.01
  5. Step 5: Solve for x
    x = 202,910,397.01/17,219.52
  6. Step 6: Final answer
    x = 11,783.74

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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.