Home / 12,775.11-19,153.07-8,603.41

Finding the Fourth Proportional to 12,775.11, 19,153.07 and 8,603.41

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Solution

The fourth proportional to 12,775.11, 19,153.07 and 8,603.41 is: 12,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.11 : 19,153.07 = 8,603.41 : x
  2. Step 2: Convert to fraction form
    12,775.11/19,153.07 = 8,603.41/x
  3. Step 3: Cross multiply
    12,775.11x = 19,153.07 × 8,603.41
  4. Step 4: Simplify right side
    12,775.11x = 164,781,575.19
  5. Step 5: Solve for x
    x = 164,781,575.19/12,775.11
  6. Step 6: Final answer
    x = 12,898.64

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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.