Home / 9,975.09-13,765.38-5,498.75

Finding the Fourth Proportional to 9,975.09, 13,765.38 and 5,498.75

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Solution

The fourth proportional to 9,975.09, 13,765.38 and 5,498.75 is: 7,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.09 : 13,765.38 = 5,498.75 : x
  2. Step 2: Convert to fraction form
    9,975.09/13,765.38 = 5,498.75/x
  3. Step 3: Cross multiply
    9,975.09x = 13,765.38 × 5,498.75
  4. Step 4: Simplify right side
    9,975.09x = 75,692,314.45
  5. Step 5: Solve for x
    x = 75,692,314.45/9,975.09
  6. Step 6: Final answer
    x = 7,588.13

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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.