Home / 14,251.37-19,665.99-7,877.79

Finding the Fourth Proportional to 14,251.37, 19,665.99 and 7,877.79

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Solution

The fourth proportional to 14,251.37, 19,665.99 and 7,877.79 is: 10,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.37 : 19,665.99 = 7,877.79 : x
  2. Step 2: Convert to fraction form
    14,251.37/19,665.99 = 7,877.79/x
  3. Step 3: Cross multiply
    14,251.37x = 19,665.99 × 7,877.79
  4. Step 4: Simplify right side
    14,251.37x = 154,924,539.36
  5. Step 5: Solve for x
    x = 154,924,539.36/14,251.37
  6. Step 6: Final answer
    x = 10,870.86

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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.