Home / 9,530.85-13,156.19-5,553.25

Finding the Fourth Proportional to 9,530.85, 13,156.19 and 5,553.25

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Solution

The fourth proportional to 9,530.85, 13,156.19 and 5,553.25 is: 7,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530.85 : 13,156.19 = 5,553.25 : x
  2. Step 2: Convert to fraction form
    9,530.85/13,156.19 = 5,553.25/x
  3. Step 3: Cross multiply
    9,530.85x = 13,156.19 × 5,553.25
  4. Step 4: Simplify right side
    9,530.85x = 73,059,612.12
  5. Step 5: Solve for x
    x = 73,059,612.12/9,530.85
  6. Step 6: Final answer
    x = 7,665.59

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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.