Home / 9,489.17-13,094.57-5,296.61

Finding the Fourth Proportional to 9,489.17, 13,094.57 and 5,296.61

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Solution

The fourth proportional to 9,489.17, 13,094.57 and 5,296.61 is: 7,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.17 : 13,094.57 = 5,296.61 : x
  2. Step 2: Convert to fraction form
    9,489.17/13,094.57 = 5,296.61/x
  3. Step 3: Cross multiply
    9,489.17x = 13,094.57 × 5,296.61
  4. Step 4: Simplify right side
    9,489.17x = 69,356,778.18
  5. Step 5: Solve for x
    x = 69,356,778.18/9,489.17
  6. Step 6: Final answer
    x = 7,309.05

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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.