Home / 12,416.86-18,625.63-3,652.05

Finding the Fourth Proportional to 12,416.86, 18,625.63 and 3,652.05

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Solution

The fourth proportional to 12,416.86, 18,625.63 and 3,652.05 is: 5,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.86 : 18,625.63 = 3,652.05 : x
  2. Step 2: Convert to fraction form
    12,416.86/18,625.63 = 3,652.05/x
  3. Step 3: Cross multiply
    12,416.86x = 18,625.63 × 3,652.05
  4. Step 4: Simplify right side
    12,416.86x = 68,021,722.91
  5. Step 5: Solve for x
    x = 68,021,722.91/12,416.86
  6. Step 6: Final answer
    x = 5,478.18

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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.