Home / 12,019.23-18,028.65-4,625.30

Finding the Fourth Proportional to 12,019.23, 18,028.65 and 4,625.30

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Solution

The fourth proportional to 12,019.23, 18,028.65 and 4,625.30 is: 6,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.23 : 18,028.65 = 4,625.30 : x
  2. Step 2: Convert to fraction form
    12,019.23/18,028.65 = 4,625.30/x
  3. Step 3: Cross multiply
    12,019.23x = 18,028.65 × 4,625.30
  4. Step 4: Simplify right side
    12,019.23x = 83,387,824.70
  5. Step 5: Solve for x
    x = 83,387,824.70/12,019.23
  6. Step 6: Final answer
    x = 6,937.87

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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.