Home / 12,240.94-18,363.48-4,235.35

Finding the Fourth Proportional to 12,240.94, 18,363.48 and 4,235.35

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Solution

The fourth proportional to 12,240.94, 18,363.48 and 4,235.35 is: 6,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.94 : 18,363.48 = 4,235.35 : x
  2. Step 2: Convert to fraction form
    12,240.94/18,363.48 = 4,235.35/x
  3. Step 3: Cross multiply
    12,240.94x = 18,363.48 × 4,235.35
  4. Step 4: Simplify right side
    12,240.94x = 77,775,765.02
  5. Step 5: Solve for x
    x = 77,775,765.02/12,240.94
  6. Step 6: Final answer
    x = 6,353.74

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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.