Home / 11,612.25-17,410.65-4,215.75

Finding the Fourth Proportional to 11,612.25, 17,410.65 and 4,215.75

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Solution

The fourth proportional to 11,612.25, 17,410.65 and 4,215.75 is: 6,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.25 : 17,410.65 = 4,215.75 : x
  2. Step 2: Convert to fraction form
    11,612.25/17,410.65 = 4,215.75/x
  3. Step 3: Cross multiply
    11,612.25x = 17,410.65 × 4,215.75
  4. Step 4: Simplify right side
    11,612.25x = 73,398,947.74
  5. Step 5: Solve for x
    x = 73,398,947.74/11,612.25
  6. Step 6: Final answer
    x = 6,320.82

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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.