Home / 12,002.40-16,562.94-6,698.12

Finding the Fourth Proportional to 12,002.40, 16,562.94 and 6,698.12

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Solution

The fourth proportional to 12,002.40, 16,562.94 and 6,698.12 is: 9,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.40 : 16,562.94 = 6,698.12 : x
  2. Step 2: Convert to fraction form
    12,002.40/16,562.94 = 6,698.12/x
  3. Step 3: Cross multiply
    12,002.40x = 16,562.94 × 6,698.12
  4. Step 4: Simplify right side
    12,002.40x = 110,940,476.86
  5. Step 5: Solve for x
    x = 110,940,476.86/12,002.40
  6. Step 6: Final answer
    x = 9,243.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.