Home / 9,971.13-13,759.67-5,494.77

Finding the Fourth Proportional to 9,971.13, 13,759.67 and 5,494.77

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Solution

The fourth proportional to 9,971.13, 13,759.67 and 5,494.77 is: 7,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.13 : 13,759.67 = 5,494.77 : x
  2. Step 2: Convert to fraction form
    9,971.13/13,759.67 = 5,494.77/x
  3. Step 3: Cross multiply
    9,971.13x = 13,759.67 × 5,494.77
  4. Step 4: Simplify right side
    9,971.13x = 75,606,194.45
  5. Step 5: Solve for x
    x = 75,606,194.45/9,971.13
  6. Step 6: Final answer
    x = 7,582.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.