Home / 14,490.65-19,977.79-13,014.42

Finding the Fourth Proportional to 14,490.65, 19,977.79 and 13,014.42

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Solution

The fourth proportional to 14,490.65, 19,977.79 and 13,014.42 is: 17,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.65 : 19,977.79 = 13,014.42 : x
  2. Step 2: Convert to fraction form
    14,490.65/19,977.79 = 13,014.42/x
  3. Step 3: Cross multiply
    14,490.65x = 19,977.79 × 13,014.42
  4. Step 4: Simplify right side
    14,490.65x = 259,999,349.73
  5. Step 5: Solve for x
    x = 259,999,349.73/14,490.65
  6. Step 6: Final answer
    x = 17,942.56

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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.