Home / 14,150.30-21,201.15-9,217.40

Finding the Fourth Proportional to 14,150.30, 21,201.15 and 9,217.40

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Solution

The fourth proportional to 14,150.30, 21,201.15 and 9,217.40 is: 13,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.30 : 21,201.15 = 9,217.40 : x
  2. Step 2: Convert to fraction form
    14,150.30/21,201.15 = 9,217.40/x
  3. Step 3: Cross multiply
    14,150.30x = 21,201.15 × 9,217.40
  4. Step 4: Simplify right side
    14,150.30x = 195,419,480.01
  5. Step 5: Solve for x
    x = 195,419,480.01/14,150.30
  6. Step 6: Final answer
    x = 13,810.27

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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.