Home / 19,658.53-27,127.91-10,705.50

Finding the Fourth Proportional to 19,658.53, 27,127.91 and 10,705.50

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Solution

The fourth proportional to 19,658.53, 27,127.91 and 10,705.50 is: 14,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.53 : 27,127.91 = 10,705.50 : x
  2. Step 2: Convert to fraction form
    19,658.53/27,127.91 = 10,705.50/x
  3. Step 3: Cross multiply
    19,658.53x = 27,127.91 × 10,705.50
  4. Step 4: Simplify right side
    19,658.53x = 290,417,786.98
  5. Step 5: Solve for x
    x = 290,417,786.98/19,658.53
  6. Step 6: Final answer
    x = 14,773.12

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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.