Home / 13,293.27-18,344.77-7,325.48

Finding the Fourth Proportional to 13,293.27, 18,344.77 and 7,325.48

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Solution

The fourth proportional to 13,293.27, 18,344.77 and 7,325.48 is: 10,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.27 : 18,344.77 = 7,325.48 : x
  2. Step 2: Convert to fraction form
    13,293.27/18,344.77 = 7,325.48/x
  3. Step 3: Cross multiply
    13,293.27x = 18,344.77 × 7,325.48
  4. Step 4: Simplify right side
    13,293.27x = 134,384,273.29
  5. Step 5: Solve for x
    x = 134,384,273.29/13,293.27
  6. Step 6: Final answer
    x = 10,109.20

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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.