Home / 19,957.89-27,542.23-11,005.17

Finding the Fourth Proportional to 19,957.89, 27,542.23 and 11,005.17

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Solution

The fourth proportional to 19,957.89, 27,542.23 and 11,005.17 is: 15,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.89 : 27,542.23 = 11,005.17 : x
  2. Step 2: Convert to fraction form
    19,957.89/27,542.23 = 11,005.17/x
  3. Step 3: Cross multiply
    19,957.89x = 27,542.23 × 11,005.17
  4. Step 4: Simplify right side
    19,957.89x = 303,106,792.53
  5. Step 5: Solve for x
    x = 303,106,792.53/19,957.89
  6. Step 6: Final answer
    x = 15,187.31

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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.