Home / 13,089.36-18,062.91-7,424.61

Finding the Fourth Proportional to 13,089.36, 18,062.91 and 7,424.61

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Solution

The fourth proportional to 13,089.36, 18,062.91 and 7,424.61 is: 10,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.36 : 18,062.91 = 7,424.61 : x
  2. Step 2: Convert to fraction form
    13,089.36/18,062.91 = 7,424.61/x
  3. Step 3: Cross multiply
    13,089.36x = 18,062.91 × 7,424.61
  4. Step 4: Simplify right side
    13,089.36x = 134,110,062.22
  5. Step 5: Solve for x
    x = 134,110,062.22/13,089.36
  6. Step 6: Final answer
    x = 10,245.73

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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.