Home / 12,539.22-17,304.32-7,503.65

Finding the Fourth Proportional to 12,539.22, 17,304.32 and 7,503.65

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Solution

The fourth proportional to 12,539.22, 17,304.32 and 7,503.65 is: 10,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.22 : 17,304.32 = 7,503.65 : x
  2. Step 2: Convert to fraction form
    12,539.22/17,304.32 = 7,503.65/x
  3. Step 3: Cross multiply
    12,539.22x = 17,304.32 × 7,503.65
  4. Step 4: Simplify right side
    12,539.22x = 129,845,501.62
  5. Step 5: Solve for x
    x = 129,845,501.62/12,539.22
  6. Step 6: Final answer
    x = 10,355.15

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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.