Home / 20,384.96-30,569.24-6,340.32

Finding the Fourth Proportional to 20,384.96, 30,569.24 and 6,340.32

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Solution

The fourth proportional to 20,384.96, 30,569.24 and 6,340.32 is: 9,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384.96 : 30,569.24 = 6,340.32 : x
  2. Step 2: Convert to fraction form
    20,384.96/30,569.24 = 6,340.32/x
  3. Step 3: Cross multiply
    20,384.96x = 30,569.24 × 6,340.32
  4. Step 4: Simplify right side
    20,384.96x = 193,818,732.06
  5. Step 5: Solve for x
    x = 193,818,732.06/20,384.96
  6. Step 6: Final answer
    x = 9,507.93

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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.