Home / 12,256.36-18,390.62-4,860.66

Finding the Fourth Proportional to 12,256.36, 18,390.62 and 4,860.66

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Solution

The fourth proportional to 12,256.36, 18,390.62 and 4,860.66 is: 7,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.36 : 18,390.62 = 4,860.66 : x
  2. Step 2: Convert to fraction form
    12,256.36/18,390.62 = 4,860.66/x
  3. Step 3: Cross multiply
    12,256.36x = 18,390.62 × 4,860.66
  4. Step 4: Simplify right side
    12,256.36x = 89,390,551.01
  5. Step 5: Solve for x
    x = 89,390,551.01/12,256.36
  6. Step 6: Final answer
    x = 7,293.40

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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.