Home / 11,535.75-17,303.54-3,215.76

Finding the Fourth Proportional to 11,535.75, 17,303.54 and 3,215.76

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Solution

The fourth proportional to 11,535.75, 17,303.54 and 3,215.76 is: 4,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.75 : 17,303.54 = 3,215.76 : x
  2. Step 2: Convert to fraction form
    11,535.75/17,303.54 = 3,215.76/x
  3. Step 3: Cross multiply
    11,535.75x = 17,303.54 × 3,215.76
  4. Step 4: Simplify right side
    11,535.75x = 55,644,015.71
  5. Step 5: Solve for x
    x = 55,644,015.71/11,535.75
  6. Step 6: Final answer
    x = 4,823.61

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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.