Home / 20,007.08-30,012.08-6,859.34

Finding the Fourth Proportional to 20,007.08, 30,012.08 and 6,859.34

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Solution

The fourth proportional to 20,007.08, 30,012.08 and 6,859.34 is: 10,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.08 : 30,012.08 = 6,859.34 : x
  2. Step 2: Convert to fraction form
    20,007.08/30,012.08 = 6,859.34/x
  3. Step 3: Cross multiply
    20,007.08x = 30,012.08 × 6,859.34
  4. Step 4: Simplify right side
    20,007.08x = 205,862,876.47
  5. Step 5: Solve for x
    x = 205,862,876.47/20,007.08
  6. Step 6: Final answer
    x = 10,289.50

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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.