Home / 9,971.19-13,759.29-5,495.13

Finding the Fourth Proportional to 9,971.19, 13,759.29 and 5,495.13

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Solution

The fourth proportional to 9,971.19, 13,759.29 and 5,495.13 is: 7,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.19 : 13,759.29 = 5,495.13 : x
  2. Step 2: Convert to fraction form
    9,971.19/13,759.29 = 5,495.13/x
  3. Step 3: Cross multiply
    9,971.19x = 13,759.29 × 5,495.13
  4. Step 4: Simplify right side
    9,971.19x = 75,609,087.26
  5. Step 5: Solve for x
    x = 75,609,087.26/9,971.19
  6. Step 6: Final answer
    x = 7,582.75

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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.