Home / 8,945.88-13,421.24-6,365.20

Finding the Fourth Proportional to 8,945.88, 13,421.24 and 6,365.20

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Solution

The fourth proportional to 8,945.88, 13,421.24 and 6,365.20 is: 9,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.88 : 13,421.24 = 6,365.20 : x
  2. Step 2: Convert to fraction form
    8,945.88/13,421.24 = 6,365.20/x
  3. Step 3: Cross multiply
    8,945.88x = 13,421.24 × 6,365.20
  4. Step 4: Simplify right side
    8,945.88x = 85,428,876.85
  5. Step 5: Solve for x
    x = 85,428,876.85/8,945.88
  6. Step 6: Final answer
    x = 9,549.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.