Home / 14,616.86-20,166.49-8,945.70

Finding the Fourth Proportional to 14,616.86, 20,166.49 and 8,945.70

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Solution

The fourth proportional to 14,616.86, 20,166.49 and 8,945.70 is: 12,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.86 : 20,166.49 = 8,945.70 : x
  2. Step 2: Convert to fraction form
    14,616.86/20,166.49 = 8,945.70/x
  3. Step 3: Cross multiply
    14,616.86x = 20,166.49 × 8,945.70
  4. Step 4: Simplify right side
    14,616.86x = 180,403,369.59
  5. Step 5: Solve for x
    x = 180,403,369.59/14,616.86
  6. Step 6: Final answer
    x = 12,342.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.