Home / 14,616.74-20,166.32-8,945.58

Finding the Fourth Proportional to 14,616.74, 20,166.32 and 8,945.58

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Solution

The fourth proportional to 14,616.74, 20,166.32 and 8,945.58 is: 12,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.74 : 20,166.32 = 8,945.58 : x
  2. Step 2: Convert to fraction form
    14,616.74/20,166.32 = 8,945.58/x
  3. Step 3: Cross multiply
    14,616.74x = 20,166.32 × 8,945.58
  4. Step 4: Simplify right side
    14,616.74x = 180,399,384.14
  5. Step 5: Solve for x
    x = 180,399,384.14/14,616.74
  6. Step 6: Final answer
    x = 12,341.98

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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.