Home / 14,742.24-20,344.30-8,118.24

Finding the Fourth Proportional to 14,742.24, 20,344.30 and 8,118.24

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Solution

The fourth proportional to 14,742.24, 20,344.30 and 8,118.24 is: 11,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.24 : 20,344.30 = 8,118.24 : x
  2. Step 2: Convert to fraction form
    14,742.24/20,344.30 = 8,118.24/x
  3. Step 3: Cross multiply
    14,742.24x = 20,344.30 × 8,118.24
  4. Step 4: Simplify right side
    14,742.24x = 165,159,910.03
  5. Step 5: Solve for x
    x = 165,159,910.03/14,742.24
  6. Step 6: Final answer
    x = 11,203.18

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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.