Home / 20,708.68-30,994.71-14,693.26

Finding the Fourth Proportional to 20,708.68, 30,994.71 and 14,693.26

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Solution

The fourth proportional to 20,708.68, 30,994.71 and 14,693.26 is: 21,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.68 : 30,994.71 = 14,693.26 : x
  2. Step 2: Convert to fraction form
    20,708.68/30,994.71 = 14,693.26/x
  3. Step 3: Cross multiply
    20,708.68x = 30,994.71 × 14,693.26
  4. Step 4: Simplify right side
    20,708.68x = 455,413,332.65
  5. Step 5: Solve for x
    x = 455,413,332.65/20,708.68
  6. Step 6: Final answer
    x = 21,991.42

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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.