Home / 14,127.12-19,490.92-8,158

Finding the Fourth Proportional to 14,127.12, 19,490.92 and 8,158

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Solution

The fourth proportional to 14,127.12, 19,490.92 and 8,158 is: 11,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.12 : 19,490.92 = 8,158 : x
  2. Step 2: Convert to fraction form
    14,127.12/19,490.92 = 8,158/x
  3. Step 3: Cross multiply
    14,127.12x = 19,490.92 × 8,158
  4. Step 4: Simplify right side
    14,127.12x = 159,006,925.36
  5. Step 5: Solve for x
    x = 159,006,925.36/14,127.12
  6. Step 6: Final answer
    x = 11,255.44

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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.