Home / 14,142.65-19,515.38-8,477.26

Finding the Fourth Proportional to 14,142.65, 19,515.38 and 8,477.26

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Solution

The fourth proportional to 14,142.65, 19,515.38 and 8,477.26 is: 11,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.65 : 19,515.38 = 8,477.26 : x
  2. Step 2: Convert to fraction form
    14,142.65/19,515.38 = 8,477.26/x
  3. Step 3: Cross multiply
    14,142.65x = 19,515.38 × 8,477.26
  4. Step 4: Simplify right side
    14,142.65x = 165,436,906.77
  5. Step 5: Solve for x
    x = 165,436,906.77/14,142.65
  6. Step 6: Final answer
    x = 11,697.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.