Home / 11,717.76-17,575.74-4,320.84

Finding the Fourth Proportional to 11,717.76, 17,575.74 and 4,320.84

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Solution

The fourth proportional to 11,717.76, 17,575.74 and 4,320.84 is: 6,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.76 : 17,575.74 = 4,320.84 : x
  2. Step 2: Convert to fraction form
    11,717.76/17,575.74 = 4,320.84/x
  3. Step 3: Cross multiply
    11,717.76x = 17,575.74 × 4,320.84
  4. Step 4: Simplify right side
    11,717.76x = 75,941,960.42
  5. Step 5: Solve for x
    x = 75,941,960.42/11,717.76
  6. Step 6: Final answer
    x = 6,480.93

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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.