Home / 9,556.31-13,189.20-5,579.75

Finding the Fourth Proportional to 9,556.31, 13,189.20 and 5,579.75

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Solution

The fourth proportional to 9,556.31, 13,189.20 and 5,579.75 is: 7,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.31 : 13,189.20 = 5,579.75 : x
  2. Step 2: Convert to fraction form
    9,556.31/13,189.20 = 5,579.75/x
  3. Step 3: Cross multiply
    9,556.31x = 13,189.20 × 5,579.75
  4. Step 4: Simplify right side
    9,556.31x = 73,592,438.70
  5. Step 5: Solve for x
    x = 73,592,438.70/9,556.31
  6. Step 6: Final answer
    x = 7,700.93

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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.