Home / 14,447.30-19,936.31-8,158.46

Finding the Fourth Proportional to 14,447.30, 19,936.31 and 8,158.46

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Solution

The fourth proportional to 14,447.30, 19,936.31 and 8,158.46 is: 11,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.30 : 19,936.31 = 8,158.46 : x
  2. Step 2: Convert to fraction form
    14,447.30/19,936.31 = 8,158.46/x
  3. Step 3: Cross multiply
    14,447.30x = 19,936.31 × 8,158.46
  4. Step 4: Simplify right side
    14,447.30x = 162,649,447.21
  5. Step 5: Solve for x
    x = 162,649,447.21/14,447.30
  6. Step 6: Final answer
    x = 11,258.12

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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.