Home / 11,266.87-16,899.70-3,870.56

Finding the Fourth Proportional to 11,266.87, 16,899.70 and 3,870.56

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Solution

The fourth proportional to 11,266.87, 16,899.70 and 3,870.56 is: 5,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.87 : 16,899.70 = 3,870.56 : x
  2. Step 2: Convert to fraction form
    11,266.87/16,899.70 = 3,870.56/x
  3. Step 3: Cross multiply
    11,266.87x = 16,899.70 × 3,870.56
  4. Step 4: Simplify right side
    11,266.87x = 65,411,302.83
  5. Step 5: Solve for x
    x = 65,411,302.83/11,266.87
  6. Step 6: Final answer
    x = 5,805.63

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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.