Home / 12,465.42-17,194.68-7,426.32

Finding the Fourth Proportional to 12,465.42, 17,194.68 and 7,426.32

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Solution

The fourth proportional to 12,465.42, 17,194.68 and 7,426.32 is: 10,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.42 : 17,194.68 = 7,426.32 : x
  2. Step 2: Convert to fraction form
    12,465.42/17,194.68 = 7,426.32/x
  3. Step 3: Cross multiply
    12,465.42x = 17,194.68 × 7,426.32
  4. Step 4: Simplify right side
    12,465.42x = 127,693,195.98
  5. Step 5: Solve for x
    x = 127,693,195.98/12,465.42
  6. Step 6: Final answer
    x = 10,243.79

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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.