Home / 9,677.19-13,344.39-7,164.57

Finding the Fourth Proportional to 9,677.19, 13,344.39 and 7,164.57

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Solution

The fourth proportional to 9,677.19, 13,344.39 and 7,164.57 is: 9,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.19 : 13,344.39 = 7,164.57 : x
  2. Step 2: Convert to fraction form
    9,677.19/13,344.39 = 7,164.57/x
  3. Step 3: Cross multiply
    9,677.19x = 13,344.39 × 7,164.57
  4. Step 4: Simplify right side
    9,677.19x = 95,606,816.26
  5. Step 5: Solve for x
    x = 95,606,816.26/9,677.19
  6. Step 6: Final answer
    x = 9,879.61

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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.