Home / 12,539.39-17,292.42-7,502.81

Finding the Fourth Proportional to 12,539.39, 17,292.42 and 7,502.81

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Solution

The fourth proportional to 12,539.39, 17,292.42 and 7,502.81 is: 10,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.39 : 17,292.42 = 7,502.81 : x
  2. Step 2: Convert to fraction form
    12,539.39/17,292.42 = 7,502.81/x
  3. Step 3: Cross multiply
    12,539.39x = 17,292.42 × 7,502.81
  4. Step 4: Simplify right side
    12,539.39x = 129,741,741.70
  5. Step 5: Solve for x
    x = 129,741,741.70/12,539.39
  6. Step 6: Final answer
    x = 10,346.73

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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.