Home / 12,595.31-17,382.11-7,289.09

Finding the Fourth Proportional to 12,595.31, 17,382.11 and 7,289.09

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Solution

The fourth proportional to 12,595.31, 17,382.11 and 7,289.09 is: 10,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.31 : 17,382.11 = 7,289.09 : x
  2. Step 2: Convert to fraction form
    12,595.31/17,382.11 = 7,289.09/x
  3. Step 3: Cross multiply
    12,595.31x = 17,382.11 × 7,289.09
  4. Step 4: Simplify right side
    12,595.31x = 126,699,764.18
  5. Step 5: Solve for x
    x = 126,699,764.18/12,595.31
  6. Step 6: Final answer
    x = 10,059.28

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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.