Home / 12,652.81-18,974.93-5,988.33

Finding the Fourth Proportional to 12,652.81, 18,974.93 and 5,988.33

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Solution

The fourth proportional to 12,652.81, 18,974.93 and 5,988.33 is: 8,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.81 : 18,974.93 = 5,988.33 : x
  2. Step 2: Convert to fraction form
    12,652.81/18,974.93 = 5,988.33/x
  3. Step 3: Cross multiply
    12,652.81x = 18,974.93 × 5,988.33
  4. Step 4: Simplify right side
    12,652.81x = 113,628,112.63
  5. Step 5: Solve for x
    x = 113,628,112.63/12,652.81
  6. Step 6: Final answer
    x = 8,980.47

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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.