Home / 13,969.86-20,950.30-4,607.77

Finding the Fourth Proportional to 13,969.86, 20,950.30 and 4,607.77

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Solution

The fourth proportional to 13,969.86, 20,950.30 and 4,607.77 is: 6,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.86 : 20,950.30 = 4,607.77 : x
  2. Step 2: Convert to fraction form
    13,969.86/20,950.30 = 4,607.77/x
  3. Step 3: Cross multiply
    13,969.86x = 20,950.30 × 4,607.77
  4. Step 4: Simplify right side
    13,969.86x = 96,534,163.83
  5. Step 5: Solve for x
    x = 96,534,163.83/13,969.86
  6. Step 6: Final answer
    x = 6,910.17

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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.