Home / 12,664.93-18,991.87-4,868.25

Finding the Fourth Proportional to 12,664.93, 18,991.87 and 4,868.25

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Solution

The fourth proportional to 12,664.93, 18,991.87 and 4,868.25 is: 7,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.93 : 18,991.87 = 4,868.25 : x
  2. Step 2: Convert to fraction form
    12,664.93/18,991.87 = 4,868.25/x
  3. Step 3: Cross multiply
    12,664.93x = 18,991.87 × 4,868.25
  4. Step 4: Simplify right side
    12,664.93x = 92,457,146.79
  5. Step 5: Solve for x
    x = 92,457,146.79/12,664.93
  6. Step 6: Final answer
    x = 7,300.25

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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.