Home / 20,525.16-30,787.56-6,485.19

Finding the Fourth Proportional to 20,525.16, 30,787.56 and 6,485.19

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Solution

The fourth proportional to 20,525.16, 30,787.56 and 6,485.19 is: 9,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.16 : 30,787.56 = 6,485.19 : x
  2. Step 2: Convert to fraction form
    20,525.16/30,787.56 = 6,485.19/x
  3. Step 3: Cross multiply
    20,525.16x = 30,787.56 × 6,485.19
  4. Step 4: Simplify right side
    20,525.16x = 199,663,176.24
  5. Step 5: Solve for x
    x = 199,663,176.24/20,525.16
  6. Step 6: Final answer
    x = 9,727.73

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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.