Home / 15,066.20-20,744.96-13,384.68

Finding the Fourth Proportional to 15,066.20, 20,744.96 and 13,384.68

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Solution

The fourth proportional to 15,066.20, 20,744.96 and 13,384.68 is: 18,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.20 : 20,744.96 = 13,384.68 : x
  2. Step 2: Convert to fraction form
    15,066.20/20,744.96 = 13,384.68/x
  3. Step 3: Cross multiply
    15,066.20x = 20,744.96 × 13,384.68
  4. Step 4: Simplify right side
    15,066.20x = 277,664,651.21
  5. Step 5: Solve for x
    x = 277,664,651.21/15,066.20
  6. Step 6: Final answer
    x = 18,429.64

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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.