Home / 12,832.76-19,230.72-7,555.31

Finding the Fourth Proportional to 12,832.76, 19,230.72 and 7,555.31

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Solution

The fourth proportional to 12,832.76, 19,230.72 and 7,555.31 is: 11,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.76 : 19,230.72 = 7,555.31 : x
  2. Step 2: Convert to fraction form
    12,832.76/19,230.72 = 7,555.31/x
  3. Step 3: Cross multiply
    12,832.76x = 19,230.72 × 7,555.31
  4. Step 4: Simplify right side
    12,832.76x = 145,293,998.75
  5. Step 5: Solve for x
    x = 145,293,998.75/12,832.76
  6. Step 6: Final answer
    x = 11,322.11

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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.