Home / 20,607.84-30,911.42-6,567.68

Finding the Fourth Proportional to 20,607.84, 30,911.42 and 6,567.68

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Solution

The fourth proportional to 20,607.84, 30,911.42 and 6,567.68 is: 9,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.84 : 30,911.42 = 6,567.68 : x
  2. Step 2: Convert to fraction form
    20,607.84/30,911.42 = 6,567.68/x
  3. Step 3: Cross multiply
    20,607.84x = 30,911.42 × 6,567.68
  4. Step 4: Simplify right side
    20,607.84x = 203,016,314.91
  5. Step 5: Solve for x
    x = 203,016,314.91/20,607.84
  6. Step 6: Final answer
    x = 9,851.41

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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.