Home / 11,717.13-17,564.41-4,317.55

Finding the Fourth Proportional to 11,717.13, 17,564.41 and 4,317.55

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Solution

The fourth proportional to 11,717.13, 17,564.41 and 4,317.55 is: 6,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.13 : 17,564.41 = 4,317.55 : x
  2. Step 2: Convert to fraction form
    11,717.13/17,564.41 = 4,317.55/x
  3. Step 3: Cross multiply
    11,717.13x = 17,564.41 × 4,317.55
  4. Step 4: Simplify right side
    11,717.13x = 75,835,218.40
  5. Step 5: Solve for x
    x = 75,835,218.40/11,717.13
  6. Step 6: Final answer
    x = 6,472.17

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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.