Home / 9,087.03-13,564.25-7,979.86

Finding the Fourth Proportional to 9,087.03, 13,564.25 and 7,979.86

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Solution

The fourth proportional to 9,087.03, 13,564.25 and 7,979.86 is: 11,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.03 : 13,564.25 = 7,979.86 : x
  2. Step 2: Convert to fraction form
    9,087.03/13,564.25 = 7,979.86/x
  3. Step 3: Cross multiply
    9,087.03x = 13,564.25 × 7,979.86
  4. Step 4: Simplify right side
    9,087.03x = 108,240,776.11
  5. Step 5: Solve for x
    x = 108,240,776.11/9,087.03
  6. Step 6: Final answer
    x = 11,911.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.