Home / 13,941.98-20,923.38-8,684.66

Finding the Fourth Proportional to 13,941.98, 20,923.38 and 8,684.66

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Solution

The fourth proportional to 13,941.98, 20,923.38 and 8,684.66 is: 13,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.98 : 20,923.38 = 8,684.66 : x
  2. Step 2: Convert to fraction form
    13,941.98/20,923.38 = 8,684.66/x
  3. Step 3: Cross multiply
    13,941.98x = 20,923.38 × 8,684.66
  4. Step 4: Simplify right side
    13,941.98x = 181,712,441.35
  5. Step 5: Solve for x
    x = 181,712,441.35/13,941.98
  6. Step 6: Final answer
    x = 13,033.47

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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.