Home / 12,774.04-19,161.78-4,008.76

Finding the Fourth Proportional to 12,774.04, 19,161.78 and 4,008.76

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Solution

The fourth proportional to 12,774.04, 19,161.78 and 4,008.76 is: 6,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.04 : 19,161.78 = 4,008.76 : x
  2. Step 2: Convert to fraction form
    12,774.04/19,161.78 = 4,008.76/x
  3. Step 3: Cross multiply
    12,774.04x = 19,161.78 × 4,008.76
  4. Step 4: Simplify right side
    12,774.04x = 76,814,977.19
  5. Step 5: Solve for x
    x = 76,814,977.19/12,774.04
  6. Step 6: Final answer
    x = 6,013.37

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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.