Home / 14,742.09-20,343.85-8,027.76

Finding the Fourth Proportional to 14,742.09, 20,343.85 and 8,027.76

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Solution

The fourth proportional to 14,742.09, 20,343.85 and 8,027.76 is: 11,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.09 : 20,343.85 = 8,027.76 : x
  2. Step 2: Convert to fraction form
    14,742.09/20,343.85 = 8,027.76/x
  3. Step 3: Cross multiply
    14,742.09x = 20,343.85 × 8,027.76
  4. Step 4: Simplify right side
    14,742.09x = 163,315,545.28
  5. Step 5: Solve for x
    x = 163,315,545.28/14,742.09
  6. Step 6: Final answer
    x = 11,078.18

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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.