Home / 8,749.37-13,109.44-6,147.65

Finding the Fourth Proportional to 8,749.37, 13,109.44 and 6,147.65

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Solution

The fourth proportional to 8,749.37, 13,109.44 and 6,147.65 is: 9,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.37 : 13,109.44 = 6,147.65 : x
  2. Step 2: Convert to fraction form
    8,749.37/13,109.44 = 6,147.65/x
  3. Step 3: Cross multiply
    8,749.37x = 13,109.44 × 6,147.65
  4. Step 4: Simplify right side
    8,749.37x = 80,592,248.82
  5. Step 5: Solve for x
    x = 80,592,248.82/8,749.37
  6. Step 6: Final answer
    x = 9,211.21

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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.