Home / 13,293.38-18,344.71-7,550.80

Finding the Fourth Proportional to 13,293.38, 18,344.71 and 7,550.80

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Solution

The fourth proportional to 13,293.38, 18,344.71 and 7,550.80 is: 10,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.38 : 18,344.71 = 7,550.80 : x
  2. Step 2: Convert to fraction form
    13,293.38/18,344.71 = 7,550.80/x
  3. Step 3: Cross multiply
    13,293.38x = 18,344.71 × 7,550.80
  4. Step 4: Simplify right side
    13,293.38x = 138,517,214.00
  5. Step 5: Solve for x
    x = 138,517,214.00/13,293.38
  6. Step 6: Final answer
    x = 10,420.01

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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.