Home / 12,909.23-17,816.75-7,246.26

Finding the Fourth Proportional to 12,909.23, 17,816.75 and 7,246.26

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Solution

The fourth proportional to 12,909.23, 17,816.75 and 7,246.26 is: 10,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.23 : 17,816.75 = 7,246.26 : x
  2. Step 2: Convert to fraction form
    12,909.23/17,816.75 = 7,246.26/x
  3. Step 3: Cross multiply
    12,909.23x = 17,816.75 × 7,246.26
  4. Step 4: Simplify right side
    12,909.23x = 129,104,766.62
  5. Step 5: Solve for x
    x = 129,104,766.62/12,909.23
  6. Step 6: Final answer
    x = 10,000.97

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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.