Home / 12,774.19-19,161.25-4,009.76

Finding the Fourth Proportional to 12,774.19, 19,161.25 and 4,009.76

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Solution

The fourth proportional to 12,774.19, 19,161.25 and 4,009.76 is: 6,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.19 : 19,161.25 = 4,009.76 : x
  2. Step 2: Convert to fraction form
    12,774.19/19,161.25 = 4,009.76/x
  3. Step 3: Cross multiply
    12,774.19x = 19,161.25 × 4,009.76
  4. Step 4: Simplify right side
    12,774.19x = 76,832,013.80
  5. Step 5: Solve for x
    x = 76,832,013.80/12,774.19
  6. Step 6: Final answer
    x = 6,014.63

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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.