Home / 12,264.54-18,408.36-6,425.25

Finding the Fourth Proportional to 12,264.54, 18,408.36 and 6,425.25

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Solution

The fourth proportional to 12,264.54, 18,408.36 and 6,425.25 is: 9,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.54 : 18,408.36 = 6,425.25 : x
  2. Step 2: Convert to fraction form
    12,264.54/18,408.36 = 6,425.25/x
  3. Step 3: Cross multiply
    12,264.54x = 18,408.36 × 6,425.25
  4. Step 4: Simplify right side
    12,264.54x = 118,278,315.09
  5. Step 5: Solve for x
    x = 118,278,315.09/12,264.54
  6. Step 6: Final answer
    x = 9,643.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.