Home / 20,311.13-30,455.37-6,267.17

Finding the Fourth Proportional to 20,311.13, 30,455.37 and 6,267.17

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Solution

The fourth proportional to 20,311.13, 30,455.37 and 6,267.17 is: 9,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,311.13 : 30,455.37 = 6,267.17 : x
  2. Step 2: Convert to fraction form
    20,311.13/30,455.37 = 6,267.17/x
  3. Step 3: Cross multiply
    20,311.13x = 30,455.37 × 6,267.17
  4. Step 4: Simplify right side
    20,311.13x = 190,868,981.20
  5. Step 5: Solve for x
    x = 190,868,981.20/20,311.13
  6. Step 6: Final answer
    x = 9,397.26

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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.