Home / 11,267.19-16,885.99-8,291.70

Finding the Fourth Proportional to 11,267.19, 16,885.99 and 8,291.70

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Solution

The fourth proportional to 11,267.19, 16,885.99 and 8,291.70 is: 12,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.19 : 16,885.99 = 8,291.70 : x
  2. Step 2: Convert to fraction form
    11,267.19/16,885.99 = 8,291.70/x
  3. Step 3: Cross multiply
    11,267.19x = 16,885.99 × 8,291.70
  4. Step 4: Simplify right side
    11,267.19x = 140,013,563.28
  5. Step 5: Solve for x
    x = 140,013,563.28/11,267.19
  6. Step 6: Final answer
    x = 12,426.66

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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.