Home / 14,617.08-20,172.78-8,330.04

Finding the Fourth Proportional to 14,617.08, 20,172.78 and 8,330.04

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Solution

The fourth proportional to 14,617.08, 20,172.78 and 8,330.04 is: 11,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.08 : 20,172.78 = 8,330.04 : x
  2. Step 2: Convert to fraction form
    14,617.08/20,172.78 = 8,330.04/x
  3. Step 3: Cross multiply
    14,617.08x = 20,172.78 × 8,330.04
  4. Step 4: Simplify right side
    14,617.08x = 168,040,064.31
  5. Step 5: Solve for x
    x = 168,040,064.31/14,617.08
  6. Step 6: Final answer
    x = 11,496.14

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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.