Home / 13,776.08-20,667.15-4,416.66

Finding the Fourth Proportional to 13,776.08, 20,667.15 and 4,416.66

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Solution

The fourth proportional to 13,776.08, 20,667.15 and 4,416.66 is: 6,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.08 : 20,667.15 = 4,416.66 : x
  2. Step 2: Convert to fraction form
    13,776.08/20,667.15 = 4,416.66/x
  3. Step 3: Cross multiply
    13,776.08x = 20,667.15 × 4,416.66
  4. Step 4: Simplify right side
    13,776.08x = 91,279,774.72
  5. Step 5: Solve for x
    x = 91,279,774.72/13,776.08
  6. Step 6: Final answer
    x = 6,625.96

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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.