Home / 20,440.04-30,649.82-6,585.32

Finding the Fourth Proportional to 20,440.04, 30,649.82 and 6,585.32

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Solution

The fourth proportional to 20,440.04, 30,649.82 and 6,585.32 is: 9,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440.04 : 30,649.82 = 6,585.32 : x
  2. Step 2: Convert to fraction form
    20,440.04/30,649.82 = 6,585.32/x
  3. Step 3: Cross multiply
    20,440.04x = 30,649.82 × 6,585.32
  4. Step 4: Simplify right side
    20,440.04x = 201,838,872.64
  5. Step 5: Solve for x
    x = 201,838,872.64/20,440.04
  6. Step 6: Final answer
    x = 9,874.68

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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.