Home / 14,080.30-21,105.19-9,153.48

Finding the Fourth Proportional to 14,080.30, 21,105.19 and 9,153.48

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Solution

The fourth proportional to 14,080.30, 21,105.19 and 9,153.48 is: 13,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.30 : 21,105.19 = 9,153.48 : x
  2. Step 2: Convert to fraction form
    14,080.30/21,105.19 = 9,153.48/x
  3. Step 3: Cross multiply
    14,080.30x = 21,105.19 × 9,153.48
  4. Step 4: Simplify right side
    14,080.30x = 193,185,934.56
  5. Step 5: Solve for x
    x = 193,185,934.56/14,080.30
  6. Step 6: Final answer
    x = 13,720.30

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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.