Home / 20,397.31-30,596.31-5,606.15

Finding the Fourth Proportional to 20,397.31, 30,596.31 and 5,606.15

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Solution

The fourth proportional to 20,397.31, 30,596.31 and 5,606.15 is: 8,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.31 : 30,596.31 = 5,606.15 : x
  2. Step 2: Convert to fraction form
    20,397.31/30,596.31 = 5,606.15/x
  3. Step 3: Cross multiply
    20,397.31x = 30,596.31 × 5,606.15
  4. Step 4: Simplify right side
    20,397.31x = 171,527,350.32
  5. Step 5: Solve for x
    x = 171,527,350.32/20,397.31
  6. Step 6: Final answer
    x = 8,409.31

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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.