Home / 9,526.70-13,147.11-5,278.05

Finding the Fourth Proportional to 9,526.70, 13,147.11 and 5,278.05

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Solution

The fourth proportional to 9,526.70, 13,147.11 and 5,278.05 is: 7,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,526.70 : 13,147.11 = 5,278.05 : x
  2. Step 2: Convert to fraction form
    9,526.70/13,147.11 = 5,278.05/x
  3. Step 3: Cross multiply
    9,526.70x = 13,147.11 × 5,278.05
  4. Step 4: Simplify right side
    9,526.70x = 69,391,103.94
  5. Step 5: Solve for x
    x = 69,391,103.94/9,526.70
  6. Step 6: Final answer
    x = 7,283.85

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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.