Home / 14,145.10-21,197.53-10,418.02

Finding the Fourth Proportional to 14,145.10, 21,197.53 and 10,418.02

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Solution

The fourth proportional to 14,145.10, 21,197.53 and 10,418.02 is: 15,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.10 : 21,197.53 = 10,418.02 : x
  2. Step 2: Convert to fraction form
    14,145.10/21,197.53 = 10,418.02/x
  3. Step 3: Cross multiply
    14,145.10x = 21,197.53 × 10,418.02
  4. Step 4: Simplify right side
    14,145.10x = 220,836,251.52
  5. Step 5: Solve for x
    x = 220,836,251.52/14,145.10
  6. Step 6: Final answer
    x = 15,612.21

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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.