Home / 19,658.48-27,127.89-10,705.97

Finding the Fourth Proportional to 19,658.48, 27,127.89 and 10,705.97

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Solution

The fourth proportional to 19,658.48, 27,127.89 and 10,705.97 is: 14,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.48 : 27,127.89 = 10,705.97 : x
  2. Step 2: Convert to fraction form
    19,658.48/27,127.89 = 10,705.97/x
  3. Step 3: Cross multiply
    19,658.48x = 27,127.89 × 10,705.97
  4. Step 4: Simplify right side
    19,658.48x = 290,430,444.32
  5. Step 5: Solve for x
    x = 290,430,444.32/19,658.48
  6. Step 6: Final answer
    x = 14,773.80

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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.