Home / 20,009.04-30,006.36-6,857.88

Finding the Fourth Proportional to 20,009.04, 30,006.36 and 6,857.88

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Solution

The fourth proportional to 20,009.04, 30,006.36 and 6,857.88 is: 10,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.04 : 30,006.36 = 6,857.88 : x
  2. Step 2: Convert to fraction form
    20,009.04/30,006.36 = 6,857.88/x
  3. Step 3: Cross multiply
    20,009.04x = 30,006.36 × 6,857.88
  4. Step 4: Simplify right side
    20,009.04x = 205,780,016.12
  5. Step 5: Solve for x
    x = 205,780,016.12/20,009.04
  6. Step 6: Final answer
    x = 10,284.35

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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.