Home / 14,616.75-20,171.58-8,329.53

Finding the Fourth Proportional to 14,616.75, 20,171.58 and 8,329.53

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Solution

The fourth proportional to 14,616.75, 20,171.58 and 8,329.53 is: 11,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.75 : 20,171.58 = 8,329.53 : x
  2. Step 2: Convert to fraction form
    14,616.75/20,171.58 = 8,329.53/x
  3. Step 3: Cross multiply
    14,616.75x = 20,171.58 × 8,329.53
  4. Step 4: Simplify right side
    14,616.75x = 168,019,739.11
  5. Step 5: Solve for x
    x = 168,019,739.11/14,616.75
  6. Step 6: Final answer
    x = 11,495.01

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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.