Home / 12,026.28-18,028.08-4,230.12

Finding the Fourth Proportional to 12,026.28, 18,028.08 and 4,230.12

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Solution

The fourth proportional to 12,026.28, 18,028.08 and 4,230.12 is: 6,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.28 : 18,028.08 = 4,230.12 : x
  2. Step 2: Convert to fraction form
    12,026.28/18,028.08 = 4,230.12/x
  3. Step 3: Cross multiply
    12,026.28x = 18,028.08 × 4,230.12
  4. Step 4: Simplify right side
    12,026.28x = 76,260,941.77
  5. Step 5: Solve for x
    x = 76,260,941.77/12,026.28
  6. Step 6: Final answer
    x = 6,341.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.