Home / 16,860.48-25,323.54-13,742.79

Finding the Fourth Proportional to 16,860.48, 25,323.54 and 13,742.79

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Solution

The fourth proportional to 16,860.48, 25,323.54 and 13,742.79 is: 20,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.48 : 25,323.54 = 13,742.79 : x
  2. Step 2: Convert to fraction form
    16,860.48/25,323.54 = 13,742.79/x
  3. Step 3: Cross multiply
    16,860.48x = 25,323.54 × 13,742.79
  4. Step 4: Simplify right side
    16,860.48x = 348,016,092.28
  5. Step 5: Solve for x
    x = 348,016,092.28/16,860.48
  6. Step 6: Final answer
    x = 20,640.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.