Home / 13,776.66-20,647.98-6,370.92

Finding the Fourth Proportional to 13,776.66, 20,647.98 and 6,370.92

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Solution

The fourth proportional to 13,776.66, 20,647.98 and 6,370.92 is: 9,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.66 : 20,647.98 = 6,370.92 : x
  2. Step 2: Convert to fraction form
    13,776.66/20,647.98 = 6,370.92/x
  3. Step 3: Cross multiply
    13,776.66x = 20,647.98 × 6,370.92
  4. Step 4: Simplify right side
    13,776.66x = 131,546,628.74
  5. Step 5: Solve for x
    x = 131,546,628.74/13,776.66
  6. Step 6: Final answer
    x = 9,548.51

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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.