Home / 13,306.67-18,363.33-7,338.56

Finding the Fourth Proportional to 13,306.67, 18,363.33 and 7,338.56

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Solution

The fourth proportional to 13,306.67, 18,363.33 and 7,338.56 is: 10,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.67 : 18,363.33 = 7,338.56 : x
  2. Step 2: Convert to fraction form
    13,306.67/18,363.33 = 7,338.56/x
  3. Step 3: Cross multiply
    13,306.67x = 18,363.33 × 7,338.56
  4. Step 4: Simplify right side
    13,306.67x = 134,760,307.19
  5. Step 5: Solve for x
    x = 134,760,307.19/13,306.67
  6. Step 6: Final answer
    x = 10,127.28

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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.