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Finding the Fourth Proportional to 22,647.76, 33,950.68 and 8,603.58

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Solution

The fourth proportional to 22,647.76, 33,950.68 and 8,603.58 is: 12,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.76 : 33,950.68 = 8,603.58 : x
  2. Step 2: Convert to fraction form
    22,647.76/33,950.68 = 8,603.58/x
  3. Step 3: Cross multiply
    22,647.76x = 33,950.68 × 8,603.58
  4. Step 4: Simplify right side
    22,647.76x = 292,097,291.01
  5. Step 5: Solve for x
    x = 292,097,291.01/22,647.76
  6. Step 6: Final answer
    x = 12,897.40

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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.