Home / 17,439.98-26,157.17-4,786.78

Finding the Fourth Proportional to 17,439.98, 26,157.17 and 4,786.78

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Solution

The fourth proportional to 17,439.98, 26,157.17 and 4,786.78 is: 7,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.98 : 26,157.17 = 4,786.78 : x
  2. Step 2: Convert to fraction form
    17,439.98/26,157.17 = 4,786.78/x
  3. Step 3: Cross multiply
    17,439.98x = 26,157.17 × 4,786.78
  4. Step 4: Simplify right side
    17,439.98x = 125,208,649.41
  5. Step 5: Solve for x
    x = 125,208,649.41/17,439.98
  6. Step 6: Final answer
    x = 7,179.40

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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.