Home / 13,936.06-20,903.82-3,547.81

Finding the Fourth Proportional to 13,936.06, 20,903.82 and 3,547.81

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Solution

The fourth proportional to 13,936.06, 20,903.82 and 3,547.81 is: 5,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.06 : 20,903.82 = 3,547.81 : x
  2. Step 2: Convert to fraction form
    13,936.06/20,903.82 = 3,547.81/x
  3. Step 3: Cross multiply
    13,936.06x = 20,903.82 × 3,547.81
  4. Step 4: Simplify right side
    13,936.06x = 74,162,781.63
  5. Step 5: Solve for x
    x = 74,162,781.63/13,936.06
  6. Step 6: Final answer
    x = 5,321.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.