Home / 19,957.71-27,542.67-11,459.79

Finding the Fourth Proportional to 19,957.71, 27,542.67 and 11,459.79

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Solution

The fourth proportional to 19,957.71, 27,542.67 and 11,459.79 is: 15,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.71 : 27,542.67 = 11,459.79 : x
  2. Step 2: Convert to fraction form
    19,957.71/27,542.67 = 11,459.79/x
  3. Step 3: Cross multiply
    19,957.71x = 27,542.67 × 11,459.79
  4. Step 4: Simplify right side
    19,957.71x = 315,633,214.24
  5. Step 5: Solve for x
    x = 315,633,214.24/19,957.71
  6. Step 6: Final answer
    x = 15,815.10

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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.