Home / 11,985.82-16,538.45-6,947.97

Finding the Fourth Proportional to 11,985.82, 16,538.45 and 6,947.97

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Solution

The fourth proportional to 11,985.82, 16,538.45 and 6,947.97 is: 9,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.82 : 16,538.45 = 6,947.97 : x
  2. Step 2: Convert to fraction form
    11,985.82/16,538.45 = 6,947.97/x
  3. Step 3: Cross multiply
    11,985.82x = 16,538.45 × 6,947.97
  4. Step 4: Simplify right side
    11,985.82x = 114,908,733.84
  5. Step 5: Solve for x
    x = 114,908,733.84/11,985.82
  6. Step 6: Final answer
    x = 9,587.06

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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.