Home / 13,773.86-20,686.26-9,616.67

Finding the Fourth Proportional to 13,773.86, 20,686.26 and 9,616.67

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Solution

The fourth proportional to 13,773.86, 20,686.26 and 9,616.67 is: 14,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.86 : 20,686.26 = 9,616.67 : x
  2. Step 2: Convert to fraction form
    13,773.86/20,686.26 = 9,616.67/x
  3. Step 3: Cross multiply
    13,773.86x = 20,686.26 × 9,616.67
  4. Step 4: Simplify right side
    13,773.86x = 198,932,935.95
  5. Step 5: Solve for x
    x = 198,932,935.95/13,773.86
  6. Step 6: Final answer
    x = 14,442.79

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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.