Home / 10,889.11-15,026.06-6,108.39

Finding the Fourth Proportional to 10,889.11, 15,026.06 and 6,108.39

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Solution

The fourth proportional to 10,889.11, 15,026.06 and 6,108.39 is: 8,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.11 : 15,026.06 = 6,108.39 : x
  2. Step 2: Convert to fraction form
    10,889.11/15,026.06 = 6,108.39/x
  3. Step 3: Cross multiply
    10,889.11x = 15,026.06 × 6,108.39
  4. Step 4: Simplify right side
    10,889.11x = 91,785,034.64
  5. Step 5: Solve for x
    x = 91,785,034.64/10,889.11
  6. Step 6: Final answer
    x = 8,429.07

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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.