Home / 15,901.49-21,944.14-9,936.62

Finding the Fourth Proportional to 15,901.49, 21,944.14 and 9,936.62

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Solution

The fourth proportional to 15,901.49, 21,944.14 and 9,936.62 is: 13,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.49 : 21,944.14 = 9,936.62 : x
  2. Step 2: Convert to fraction form
    15,901.49/21,944.14 = 9,936.62/x
  3. Step 3: Cross multiply
    15,901.49x = 21,944.14 × 9,936.62
  4. Step 4: Simplify right side
    15,901.49x = 218,050,580.41
  5. Step 5: Solve for x
    x = 218,050,580.41/15,901.49
  6. Step 6: Final answer
    x = 13,712.59

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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.