Home / 11,530.08-15,911.82-7,053.75

Finding the Fourth Proportional to 11,530.08, 15,911.82 and 7,053.75

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Solution

The fourth proportional to 11,530.08, 15,911.82 and 7,053.75 is: 9,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.08 : 15,911.82 = 7,053.75 : x
  2. Step 2: Convert to fraction form
    11,530.08/15,911.82 = 7,053.75/x
  3. Step 3: Cross multiply
    11,530.08x = 15,911.82 × 7,053.75
  4. Step 4: Simplify right side
    11,530.08x = 112,238,000.33
  5. Step 5: Solve for x
    x = 112,238,000.33/11,530.08
  6. Step 6: Final answer
    x = 9,734.36

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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.