Home / 14,742.93-20,344.65-8,028.56

Finding the Fourth Proportional to 14,742.93, 20,344.65 and 8,028.56

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Solution

The fourth proportional to 14,742.93, 20,344.65 and 8,028.56 is: 11,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.93 : 20,344.65 = 8,028.56 : x
  2. Step 2: Convert to fraction form
    14,742.93/20,344.65 = 8,028.56/x
  3. Step 3: Cross multiply
    14,742.93x = 20,344.65 × 8,028.56
  4. Step 4: Simplify right side
    14,742.93x = 163,338,243.20
  5. Step 5: Solve for x
    x = 163,338,243.20/14,742.93
  6. Step 6: Final answer
    x = 11,079.09

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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.