Home / 12,018.12-16,584.36-6,711.90

Finding the Fourth Proportional to 12,018.12, 16,584.36 and 6,711.90

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Solution

The fourth proportional to 12,018.12, 16,584.36 and 6,711.90 is: 9,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.12 : 16,584.36 = 6,711.90 : x
  2. Step 2: Convert to fraction form
    12,018.12/16,584.36 = 6,711.90/x
  3. Step 3: Cross multiply
    12,018.12x = 16,584.36 × 6,711.90
  4. Step 4: Simplify right side
    12,018.12x = 111,312,565.88
  5. Step 5: Solve for x
    x = 111,312,565.88/12,018.12
  6. Step 6: Final answer
    x = 9,262.06

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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.