Home / 13,784.89-20,677.46-3,924.16

Finding the Fourth Proportional to 13,784.89, 20,677.46 and 3,924.16

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Solution

The fourth proportional to 13,784.89, 20,677.46 and 3,924.16 is: 5,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.89 : 20,677.46 = 3,924.16 : x
  2. Step 2: Convert to fraction form
    13,784.89/20,677.46 = 3,924.16/x
  3. Step 3: Cross multiply
    13,784.89x = 20,677.46 × 3,924.16
  4. Step 4: Simplify right side
    13,784.89x = 81,141,667.66
  5. Step 5: Solve for x
    x = 81,141,667.66/13,784.89
  6. Step 6: Final answer
    x = 5,886.28

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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.