Home / 14,742.14-20,344.40-8,027.90

Finding the Fourth Proportional to 14,742.14, 20,344.40 and 8,027.90

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Solution

The fourth proportional to 14,742.14, 20,344.40 and 8,027.90 is: 11,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.14 : 20,344.40 = 8,027.90 : x
  2. Step 2: Convert to fraction form
    14,742.14/20,344.40 = 8,027.90/x
  3. Step 3: Cross multiply
    14,742.14x = 20,344.40 × 8,027.90
  4. Step 4: Simplify right side
    14,742.14x = 163,322,666.90
  5. Step 5: Solve for x
    x = 163,322,666.90/14,742.14
  6. Step 6: Final answer
    x = 11,078.63

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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.