Home / 12,477.33-18,698.82-5,463.21

Finding the Fourth Proportional to 12,477.33, 18,698.82 and 5,463.21

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Solution

The fourth proportional to 12,477.33, 18,698.82 and 5,463.21 is: 8,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.33 : 18,698.82 = 5,463.21 : x
  2. Step 2: Convert to fraction form
    12,477.33/18,698.82 = 5,463.21/x
  3. Step 3: Cross multiply
    12,477.33x = 18,698.82 × 5,463.21
  4. Step 4: Simplify right side
    12,477.33x = 102,155,580.41
  5. Step 5: Solve for x
    x = 102,155,580.41/12,477.33
  6. Step 6: Final answer
    x = 8,187.29

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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.