Home / 13,607.08-18,766.02-12,224.68

Finding the Fourth Proportional to 13,607.08, 18,766.02 and 12,224.68

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Solution

The fourth proportional to 13,607.08, 18,766.02 and 12,224.68 is: 16,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.08 : 18,766.02 = 12,224.68 : x
  2. Step 2: Convert to fraction form
    13,607.08/18,766.02 = 12,224.68/x
  3. Step 3: Cross multiply
    13,607.08x = 18,766.02 × 12,224.68
  4. Step 4: Simplify right side
    13,607.08x = 229,408,589.37
  5. Step 5: Solve for x
    x = 229,408,589.37/13,607.08
  6. Step 6: Final answer
    x = 16,859.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.