Home / 9,971.11-13,759.95-5,495.26

Finding the Fourth Proportional to 9,971.11, 13,759.95 and 5,495.26

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Solution

The fourth proportional to 9,971.11, 13,759.95 and 5,495.26 is: 7,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.11 : 13,759.95 = 5,495.26 : x
  2. Step 2: Convert to fraction form
    9,971.11/13,759.95 = 5,495.26/x
  3. Step 3: Cross multiply
    9,971.11x = 13,759.95 × 5,495.26
  4. Step 4: Simplify right side
    9,971.11x = 75,614,502.84
  5. Step 5: Solve for x
    x = 75,614,502.84/9,971.11
  6. Step 6: Final answer
    x = 7,583.36

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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.