Home / 20,777.46-31,144.62-9,675.01

Finding the Fourth Proportional to 20,777.46, 31,144.62 and 9,675.01

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Solution

The fourth proportional to 20,777.46, 31,144.62 and 9,675.01 is: 14,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777.46 : 31,144.62 = 9,675.01 : x
  2. Step 2: Convert to fraction form
    20,777.46/31,144.62 = 9,675.01/x
  3. Step 3: Cross multiply
    20,777.46x = 31,144.62 × 9,675.01
  4. Step 4: Simplify right side
    20,777.46x = 301,324,585.16
  5. Step 5: Solve for x
    x = 301,324,585.16/20,777.46
  6. Step 6: Final answer
    x = 14,502.48

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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.