Home / 12,210.30-16,847.73-7,175.34

Finding the Fourth Proportional to 12,210.30, 16,847.73 and 7,175.34

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Solution

The fourth proportional to 12,210.30, 16,847.73 and 7,175.34 is: 9,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.30 : 16,847.73 = 7,175.34 : x
  2. Step 2: Convert to fraction form
    12,210.30/16,847.73 = 7,175.34/x
  3. Step 3: Cross multiply
    12,210.30x = 16,847.73 × 7,175.34
  4. Step 4: Simplify right side
    12,210.30x = 120,888,190.98
  5. Step 5: Solve for x
    x = 120,888,190.98/12,210.30
  6. Step 6: Final answer
    x = 9,900.51

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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.