Home / 14,637.11-20,199.20-7,922.79

Finding the Fourth Proportional to 14,637.11, 20,199.20 and 7,922.79

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Solution

The fourth proportional to 14,637.11, 20,199.20 and 7,922.79 is: 10,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.11 : 20,199.20 = 7,922.79 : x
  2. Step 2: Convert to fraction form
    14,637.11/20,199.20 = 7,922.79/x
  3. Step 3: Cross multiply
    14,637.11x = 20,199.20 × 7,922.79
  4. Step 4: Simplify right side
    14,637.11x = 160,033,980.15
  5. Step 5: Solve for x
    x = 160,033,980.15/14,637.11
  6. Step 6: Final answer
    x = 10,933.44

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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.