Home / 20,477.57-30,710.63-5,682.96

Finding the Fourth Proportional to 20,477.57, 30,710.63 and 5,682.96

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Solution

The fourth proportional to 20,477.57, 30,710.63 and 5,682.96 is: 8,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477.57 : 30,710.63 = 5,682.96 : x
  2. Step 2: Convert to fraction form
    20,477.57/30,710.63 = 5,682.96/x
  3. Step 3: Cross multiply
    20,477.57x = 30,710.63 × 5,682.96
  4. Step 4: Simplify right side
    20,477.57x = 174,527,253.45
  5. Step 5: Solve for x
    x = 174,527,253.45/20,477.57
  6. Step 6: Final answer
    x = 8,522.85

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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.