Home / 13,785.01-20,677.64-3,924.29

Finding the Fourth Proportional to 13,785.01, 20,677.64 and 3,924.29

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Solution

The fourth proportional to 13,785.01, 20,677.64 and 3,924.29 is: 5,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.01 : 20,677.64 = 3,924.29 : x
  2. Step 2: Convert to fraction form
    13,785.01/20,677.64 = 3,924.29/x
  3. Step 3: Cross multiply
    13,785.01x = 20,677.64 × 3,924.29
  4. Step 4: Simplify right side
    13,785.01x = 81,144,952.49
  5. Step 5: Solve for x
    x = 81,144,952.49/13,785.01
  6. Step 6: Final answer
    x = 5,886.46

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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.