Home / 11,900.31-16,422.19-6,595.17

Finding the Fourth Proportional to 11,900.31, 16,422.19 and 6,595.17

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Solution

The fourth proportional to 11,900.31, 16,422.19 and 6,595.17 is: 9,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.31 : 16,422.19 = 6,595.17 : x
  2. Step 2: Convert to fraction form
    11,900.31/16,422.19 = 6,595.17/x
  3. Step 3: Cross multiply
    11,900.31x = 16,422.19 × 6,595.17
  4. Step 4: Simplify right side
    11,900.31x = 108,307,134.82
  5. Step 5: Solve for x
    x = 108,307,134.82/11,900.31
  6. Step 6: Final answer
    x = 9,101.20

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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.