Home / 20,444.18-30,666.26-6,404.32

Finding the Fourth Proportional to 20,444.18, 30,666.26 and 6,404.32

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Solution

The fourth proportional to 20,444.18, 30,666.26 and 6,404.32 is: 9,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.18 : 30,666.26 = 6,404.32 : x
  2. Step 2: Convert to fraction form
    20,444.18/30,666.26 = 6,404.32/x
  3. Step 3: Cross multiply
    20,444.18x = 30,666.26 × 6,404.32
  4. Step 4: Simplify right side
    20,444.18x = 196,396,542.24
  5. Step 5: Solve for x
    x = 196,396,542.24/20,444.18
  6. Step 6: Final answer
    x = 9,606.48

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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.