Home / 13,401.13-18,493.23-7,432.93

Finding the Fourth Proportional to 13,401.13, 18,493.23 and 7,432.93

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Solution

The fourth proportional to 13,401.13, 18,493.23 and 7,432.93 is: 10,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.13 : 18,493.23 = 7,432.93 : x
  2. Step 2: Convert to fraction form
    13,401.13/18,493.23 = 7,432.93/x
  3. Step 3: Cross multiply
    13,401.13x = 18,493.23 × 7,432.93
  4. Step 4: Simplify right side
    13,401.13x = 137,458,884.06
  5. Step 5: Solve for x
    x = 137,458,884.06/13,401.13
  6. Step 6: Final answer
    x = 10,257.26

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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.