Home / 14,611.78-20,299.45-14,475.16

Finding the Fourth Proportional to 14,611.78, 20,299.45 and 14,475.16

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Solution

The fourth proportional to 14,611.78, 20,299.45 and 14,475.16 is: 20,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.78 : 20,299.45 = 14,475.16 : x
  2. Step 2: Convert to fraction form
    14,611.78/20,299.45 = 14,475.16/x
  3. Step 3: Cross multiply
    14,611.78x = 20,299.45 × 14,475.16
  4. Step 4: Simplify right side
    14,611.78x = 293,837,786.66
  5. Step 5: Solve for x
    x = 293,837,786.66/14,611.78
  6. Step 6: Final answer
    x = 20,109.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.