Home / 20,300.36-30,444.06-6,446.12

Finding the Fourth Proportional to 20,300.36, 30,444.06 and 6,446.12

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Solution

The fourth proportional to 20,300.36, 30,444.06 and 6,446.12 is: 9,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300.36 : 30,444.06 = 6,446.12 : x
  2. Step 2: Convert to fraction form
    20,300.36/30,444.06 = 6,446.12/x
  3. Step 3: Cross multiply
    20,300.36x = 30,444.06 × 6,446.12
  4. Step 4: Simplify right side
    20,300.36x = 196,246,064.05
  5. Step 5: Solve for x
    x = 196,246,064.05/20,300.36
  6. Step 6: Final answer
    x = 9,667.12

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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.