Home / 11,713.07-17,565.93-3,920.06

Finding the Fourth Proportional to 11,713.07, 17,565.93 and 3,920.06

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Solution

The fourth proportional to 11,713.07, 17,565.93 and 3,920.06 is: 5,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.07 : 17,565.93 = 3,920.06 : x
  2. Step 2: Convert to fraction form
    11,713.07/17,565.93 = 3,920.06/x
  3. Step 3: Cross multiply
    11,713.07x = 17,565.93 × 3,920.06
  4. Step 4: Simplify right side
    11,713.07x = 68,859,543.47
  5. Step 5: Solve for x
    x = 68,859,543.47/11,713.07
  6. Step 6: Final answer
    x = 5,878.86

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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.