Home / 13,331.44-18,396.88-7,362.98

Finding the Fourth Proportional to 13,331.44, 18,396.88 and 7,362.98

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Solution

The fourth proportional to 13,331.44, 18,396.88 and 7,362.98 is: 10,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.44 : 18,396.88 = 7,362.98 : x
  2. Step 2: Convert to fraction form
    13,331.44/18,396.88 = 7,362.98/x
  3. Step 3: Cross multiply
    13,331.44x = 18,396.88 × 7,362.98
  4. Step 4: Simplify right side
    13,331.44x = 135,455,818.13
  5. Step 5: Solve for x
    x = 135,455,818.13/13,331.44
  6. Step 6: Final answer
    x = 10,160.63

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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.