Home / 20,370.30-30,602.22-14,380.15

Finding the Fourth Proportional to 20,370.30, 30,602.22 and 14,380.15

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Solution

The fourth proportional to 20,370.30, 30,602.22 and 14,380.15 is: 21,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.30 : 30,602.22 = 14,380.15 : x
  2. Step 2: Convert to fraction form
    20,370.30/30,602.22 = 14,380.15/x
  3. Step 3: Cross multiply
    20,370.30x = 30,602.22 × 14,380.15
  4. Step 4: Simplify right side
    20,370.30x = 440,064,396.87
  5. Step 5: Solve for x
    x = 440,064,396.87/20,370.30
  6. Step 6: Final answer
    x = 21,603.24

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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.