Home / 11,266.10-16,899.15-7,110.80

Finding the Fourth Proportional to 11,266.10, 16,899.15 and 7,110.80

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Solution

The fourth proportional to 11,266.10, 16,899.15 and 7,110.80 is: 10,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.10 : 16,899.15 = 7,110.80 : x
  2. Step 2: Convert to fraction form
    11,266.10/16,899.15 = 7,110.80/x
  3. Step 3: Cross multiply
    11,266.10x = 16,899.15 × 7,110.80
  4. Step 4: Simplify right side
    11,266.10x = 120,166,475.82
  5. Step 5: Solve for x
    x = 120,166,475.82/11,266.10
  6. Step 6: Final answer
    x = 10,666.20

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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.