Home / 13,402.93-18,494.72-7,434.48

Finding the Fourth Proportional to 13,402.93, 18,494.72 and 7,434.48

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Solution

The fourth proportional to 13,402.93, 18,494.72 and 7,434.48 is: 10,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.93 : 18,494.72 = 7,434.48 : x
  2. Step 2: Convert to fraction form
    13,402.93/18,494.72 = 7,434.48/x
  3. Step 3: Cross multiply
    13,402.93x = 18,494.72 × 7,434.48
  4. Step 4: Simplify right side
    13,402.93x = 137,498,625.95
  5. Step 5: Solve for x
    x = 137,498,625.95/13,402.93
  6. Step 6: Final answer
    x = 10,258.85

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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.