Home / 11,005.52-15,194.76-7,281.68

Finding the Fourth Proportional to 11,005.52, 15,194.76 and 7,281.68

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Solution

The fourth proportional to 11,005.52, 15,194.76 and 7,281.68 is: 10,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.52 : 15,194.76 = 7,281.68 : x
  2. Step 2: Convert to fraction form
    11,005.52/15,194.76 = 7,281.68/x
  3. Step 3: Cross multiply
    11,005.52x = 15,194.76 × 7,281.68
  4. Step 4: Simplify right side
    11,005.52x = 110,643,380.00
  5. Step 5: Solve for x
    x = 110,643,380.00/11,005.52
  6. Step 6: Final answer
    x = 10,053.44

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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.