Home / 12,116.84-18,180.42-6,277.56

Finding the Fourth Proportional to 12,116.84, 18,180.42 and 6,277.56

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Solution

The fourth proportional to 12,116.84, 18,180.42 and 6,277.56 is: 9,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.84 : 18,180.42 = 6,277.56 : x
  2. Step 2: Convert to fraction form
    12,116.84/18,180.42 = 6,277.56/x
  3. Step 3: Cross multiply
    12,116.84x = 18,180.42 × 6,277.56
  4. Step 4: Simplify right side
    12,116.84x = 114,128,677.38
  5. Step 5: Solve for x
    x = 114,128,677.38/12,116.84
  6. Step 6: Final answer
    x = 9,419.01

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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.