Home / 14,635.44-20,191.80-10,158

Finding the Fourth Proportional to 14,635.44, 20,191.80 and 10,158

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Solution

The fourth proportional to 14,635.44, 20,191.80 and 10,158 is: 14,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.44 : 20,191.80 = 10,158 : x
  2. Step 2: Convert to fraction form
    14,635.44/20,191.80 = 10,158/x
  3. Step 3: Cross multiply
    14,635.44x = 20,191.80 × 10,158
  4. Step 4: Simplify right side
    14,635.44x = 205,108,304.40
  5. Step 5: Solve for x
    x = 205,108,304.40/14,635.44
  6. Step 6: Final answer
    x = 14,014.50

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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.