Home / 11,128.14-15,357.02-6,092.28

Finding the Fourth Proportional to 11,128.14, 15,357.02 and 6,092.28

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Solution

The fourth proportional to 11,128.14, 15,357.02 and 6,092.28 is: 8,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.14 : 15,357.02 = 6,092.28 : x
  2. Step 2: Convert to fraction form
    11,128.14/15,357.02 = 6,092.28/x
  3. Step 3: Cross multiply
    11,128.14x = 15,357.02 × 6,092.28
  4. Step 4: Simplify right side
    11,128.14x = 93,559,177.76
  5. Step 5: Solve for x
    x = 93,559,177.76/11,128.14
  6. Step 6: Final answer
    x = 8,407.44

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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.