Home / 11,029.32-15,208.02-8,039.88

Finding the Fourth Proportional to 11,029.32, 15,208.02 and 8,039.88

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Solution

The fourth proportional to 11,029.32, 15,208.02 and 8,039.88 is: 11,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.32 : 15,208.02 = 8,039.88 : x
  2. Step 2: Convert to fraction form
    11,029.32/15,208.02 = 8,039.88/x
  3. Step 3: Cross multiply
    11,029.32x = 15,208.02 × 8,039.88
  4. Step 4: Simplify right side
    11,029.32x = 122,270,655.84
  5. Step 5: Solve for x
    x = 122,270,655.84/11,029.32
  6. Step 6: Final answer
    x = 11,085.97

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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.