Home / 11,237.22-16,870.41-8,641.98

Finding the Fourth Proportional to 11,237.22, 16,870.41 and 8,641.98

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Solution

The fourth proportional to 11,237.22, 16,870.41 and 8,641.98 is: 12,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.22 : 16,870.41 = 8,641.98 : x
  2. Step 2: Convert to fraction form
    11,237.22/16,870.41 = 8,641.98/x
  3. Step 3: Cross multiply
    11,237.22x = 16,870.41 × 8,641.98
  4. Step 4: Simplify right side
    11,237.22x = 145,793,745.81
  5. Step 5: Solve for x
    x = 145,793,745.81/11,237.22
  6. Step 6: Final answer
    x = 12,974.18

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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.