Home / 11,530.15-17,284.15-7,358.38

Finding the Fourth Proportional to 11,530.15, 17,284.15 and 7,358.38

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Solution

The fourth proportional to 11,530.15, 17,284.15 and 7,358.38 is: 11,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.15 : 17,284.15 = 7,358.38 : x
  2. Step 2: Convert to fraction form
    11,530.15/17,284.15 = 7,358.38/x
  3. Step 3: Cross multiply
    11,530.15x = 17,284.15 × 7,358.38
  4. Step 4: Simplify right side
    11,530.15x = 127,183,343.68
  5. Step 5: Solve for x
    x = 127,183,343.68/11,530.15
  6. Step 6: Final answer
    x = 11,030.50

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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.