Home / 9,353.48-12,907.79-5,161.73

Finding the Fourth Proportional to 9,353.48, 12,907.79 and 5,161.73

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Solution

The fourth proportional to 9,353.48, 12,907.79 and 5,161.73 is: 7,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.48 : 12,907.79 = 5,161.73 : x
  2. Step 2: Convert to fraction form
    9,353.48/12,907.79 = 5,161.73/x
  3. Step 3: Cross multiply
    9,353.48x = 12,907.79 × 5,161.73
  4. Step 4: Simplify right side
    9,353.48x = 66,626,526.88
  5. Step 5: Solve for x
    x = 66,626,526.88/9,353.48
  6. Step 6: Final answer
    x = 7,123.18

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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.