Home / 13,339.06-18,406.94-7,370.66

Finding the Fourth Proportional to 13,339.06, 18,406.94 and 7,370.66

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Solution

The fourth proportional to 13,339.06, 18,406.94 and 7,370.66 is: 10,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.06 : 18,406.94 = 7,370.66 : x
  2. Step 2: Convert to fraction form
    13,339.06/18,406.94 = 7,370.66/x
  3. Step 3: Cross multiply
    13,339.06x = 18,406.94 × 7,370.66
  4. Step 4: Simplify right side
    13,339.06x = 135,671,296.38
  5. Step 5: Solve for x
    x = 135,671,296.38/13,339.06
  6. Step 6: Final answer
    x = 10,170.98

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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.