Home / 15,426.25-21,292.72-9,054.48

Finding the Fourth Proportional to 15,426.25, 21,292.72 and 9,054.48

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Solution

The fourth proportional to 15,426.25, 21,292.72 and 9,054.48 is: 12,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.25 : 21,292.72 = 9,054.48 : x
  2. Step 2: Convert to fraction form
    15,426.25/21,292.72 = 9,054.48/x
  3. Step 3: Cross multiply
    15,426.25x = 21,292.72 × 9,054.48
  4. Step 4: Simplify right side
    15,426.25x = 192,794,615.53
  5. Step 5: Solve for x
    x = 192,794,615.53/15,426.25
  6. Step 6: Final answer
    x = 12,497.83

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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.