Home / 9,936.49-13,709.36-5,956.15

Finding the Fourth Proportional to 9,936.49, 13,709.36 and 5,956.15

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Solution

The fourth proportional to 9,936.49, 13,709.36 and 5,956.15 is: 8,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.49 : 13,709.36 = 5,956.15 : x
  2. Step 2: Convert to fraction form
    9,936.49/13,709.36 = 5,956.15/x
  3. Step 3: Cross multiply
    9,936.49x = 13,709.36 × 5,956.15
  4. Step 4: Simplify right side
    9,936.49x = 81,654,985.18
  5. Step 5: Solve for x
    x = 81,654,985.18/9,936.49
  6. Step 6: Final answer
    x = 8,217.69

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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.