Home / 13,314.15-18,373.26-7,345.97

Finding the Fourth Proportional to 13,314.15, 18,373.26 and 7,345.97

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Solution

The fourth proportional to 13,314.15, 18,373.26 and 7,345.97 is: 10,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.15 : 18,373.26 = 7,345.97 : x
  2. Step 2: Convert to fraction form
    13,314.15/18,373.26 = 7,345.97/x
  3. Step 3: Cross multiply
    13,314.15x = 18,373.26 × 7,345.97
  4. Step 4: Simplify right side
    13,314.15x = 134,969,324.90
  5. Step 5: Solve for x
    x = 134,969,324.90/13,314.15
  6. Step 6: Final answer
    x = 10,137.28

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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.