Home / 11,223.15-16,813.18-6,277.80

Finding the Fourth Proportional to 11,223.15, 16,813.18 and 6,277.80

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Solution

The fourth proportional to 11,223.15, 16,813.18 and 6,277.80 is: 9,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.15 : 16,813.18 = 6,277.80 : x
  2. Step 2: Convert to fraction form
    11,223.15/16,813.18 = 6,277.80/x
  3. Step 3: Cross multiply
    11,223.15x = 16,813.18 × 6,277.80
  4. Step 4: Simplify right side
    11,223.15x = 105,549,750.02
  5. Step 5: Solve for x
    x = 105,549,750.02/11,223.15
  6. Step 6: Final answer
    x = 9,404.65

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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.