Home / 9,975.76-13,765.91-5,499.26

Finding the Fourth Proportional to 9,975.76, 13,765.91 and 5,499.26

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Solution

The fourth proportional to 9,975.76, 13,765.91 and 5,499.26 is: 7,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.76 : 13,765.91 = 5,499.26 : x
  2. Step 2: Convert to fraction form
    9,975.76/13,765.91 = 5,499.26/x
  3. Step 3: Cross multiply
    9,975.76x = 13,765.91 × 5,499.26
  4. Step 4: Simplify right side
    9,975.76x = 75,702,366.39
  5. Step 5: Solve for x
    x = 75,702,366.39/9,975.76
  6. Step 6: Final answer
    x = 7,588.63

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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.