Home / 20,223.90-30,337.20-6,896.70

Finding the Fourth Proportional to 20,223.90, 30,337.20 and 6,896.70

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Solution

The fourth proportional to 20,223.90, 30,337.20 and 6,896.70 is: 10,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.90 : 30,337.20 = 6,896.70 : x
  2. Step 2: Convert to fraction form
    20,223.90/30,337.20 = 6,896.70/x
  3. Step 3: Cross multiply
    20,223.90x = 30,337.20 × 6,896.70
  4. Step 4: Simplify right side
    20,223.90x = 209,226,567.24
  5. Step 5: Solve for x
    x = 209,226,567.24/20,223.90
  6. Step 6: Final answer
    x = 10,345.51

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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.