Home / 14,465.80-21,720.30-10,102.60

Finding the Fourth Proportional to 14,465.80, 21,720.30 and 10,102.60

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Solution

The fourth proportional to 14,465.80, 21,720.30 and 10,102.60 is: 15,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.80 : 21,720.30 = 10,102.60 : x
  2. Step 2: Convert to fraction form
    14,465.80/21,720.30 = 10,102.60/x
  3. Step 3: Cross multiply
    14,465.80x = 21,720.30 × 10,102.60
  4. Step 4: Simplify right side
    14,465.80x = 219,431,502.78
  5. Step 5: Solve for x
    x = 219,431,502.78/14,465.80
  6. Step 6: Final answer
    x = 15,168.98

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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.