Home / 34,415.98-51,617.80-9,115.66

Finding the Fourth Proportional to 34,415.98, 51,617.80 and 9,115.66

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Solution

The fourth proportional to 34,415.98, 51,617.80 and 9,115.66 is: 13,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,415.98 : 51,617.80 = 9,115.66 : x
  2. Step 2: Convert to fraction form
    34,415.98/51,617.80 = 9,115.66/x
  3. Step 3: Cross multiply
    34,415.98x = 51,617.80 × 9,115.66
  4. Step 4: Simplify right side
    34,415.98x = 470,530,314.75
  5. Step 5: Solve for x
    x = 470,530,314.75/34,415.98
  6. Step 6: Final answer
    x = 13,671.86

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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.