Home / 14,228.11-21,314.44-8,667.66

Finding the Fourth Proportional to 14,228.11, 21,314.44 and 8,667.66

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Solution

The fourth proportional to 14,228.11, 21,314.44 and 8,667.66 is: 12,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.11 : 21,314.44 = 8,667.66 : x
  2. Step 2: Convert to fraction form
    14,228.11/21,314.44 = 8,667.66/x
  3. Step 3: Cross multiply
    14,228.11x = 21,314.44 × 8,667.66
  4. Step 4: Simplify right side
    14,228.11x = 184,746,289.88
  5. Step 5: Solve for x
    x = 184,746,289.88/14,228.11
  6. Step 6: Final answer
    x = 12,984.60

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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.