Home / 16,943.59-23,367.72-13,400.65

Finding the Fourth Proportional to 16,943.59, 23,367.72 and 13,400.65

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Solution

The fourth proportional to 16,943.59, 23,367.72 and 13,400.65 is: 18,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.59 : 23,367.72 = 13,400.65 : x
  2. Step 2: Convert to fraction form
    16,943.59/23,367.72 = 13,400.65/x
  3. Step 3: Cross multiply
    16,943.59x = 23,367.72 × 13,400.65
  4. Step 4: Simplify right side
    16,943.59x = 313,142,637.02
  5. Step 5: Solve for x
    x = 313,142,637.02/16,943.59
  6. Step 6: Final answer
    x = 18,481.48

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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.