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Finding the Fourth Proportional to 11,038.72, 16,521.72 and 6,033.46

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Solution

The fourth proportional to 11,038.72, 16,521.72 and 6,033.46 is: 9,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.72 : 16,521.72 = 6,033.46 : x
  2. Step 2: Convert to fraction form
    11,038.72/16,521.72 = 6,033.46/x
  3. Step 3: Cross multiply
    11,038.72x = 16,521.72 × 6,033.46
  4. Step 4: Simplify right side
    11,038.72x = 99,683,136.75
  5. Step 5: Solve for x
    x = 99,683,136.75/11,038.72
  6. Step 6: Final answer
    x = 9,030.32

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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.