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Finding the Fourth Proportional to 9,603.40, 14,406.06 and 3,445.96

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Solution

The fourth proportional to 9,603.40, 14,406.06 and 3,445.96 is: 5,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.40 : 14,406.06 = 3,445.96 : x
  2. Step 2: Convert to fraction form
    9,603.40/14,406.06 = 3,445.96/x
  3. Step 3: Cross multiply
    9,603.40x = 14,406.06 × 3,445.96
  4. Step 4: Simplify right side
    9,603.40x = 49,642,706.52
  5. Step 5: Solve for x
    x = 49,642,706.52/9,603.40
  6. Step 6: Final answer
    x = 5,169.28

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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.