Home / 12,092.03-18,138.85-4,298.75

Finding the Fourth Proportional to 12,092.03, 18,138.85 and 4,298.75

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Solution

The fourth proportional to 12,092.03, 18,138.85 and 4,298.75 is: 6,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.03 : 18,138.85 = 4,298.75 : x
  2. Step 2: Convert to fraction form
    12,092.03/18,138.85 = 4,298.75/x
  3. Step 3: Cross multiply
    12,092.03x = 18,138.85 × 4,298.75
  4. Step 4: Simplify right side
    12,092.03x = 77,974,280.00
  5. Step 5: Solve for x
    x = 77,974,280.00/12,092.03
  6. Step 6: Final answer
    x = 6,448.41

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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.