Home / 13,306.67-18,362.98-7,338.88

Finding the Fourth Proportional to 13,306.67, 18,362.98 and 7,338.88

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Solution

The fourth proportional to 13,306.67, 18,362.98 and 7,338.88 is: 10,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.67 : 18,362.98 = 7,338.88 : x
  2. Step 2: Convert to fraction form
    13,306.67/18,362.98 = 7,338.88/x
  3. Step 3: Cross multiply
    13,306.67x = 18,362.98 × 7,338.88
  4. Step 4: Simplify right side
    13,306.67x = 134,763,706.66
  5. Step 5: Solve for x
    x = 134,763,706.66/13,306.67
  6. Step 6: Final answer
    x = 10,127.53

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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.