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Finding the Fourth Proportional to 14,548.88, 21,802.82 and 6,631.94

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Solution

The fourth proportional to 14,548.88, 21,802.82 and 6,631.94 is: 9,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.88 : 21,802.82 = 6,631.94 : x
  2. Step 2: Convert to fraction form
    14,548.88/21,802.82 = 6,631.94/x
  3. Step 3: Cross multiply
    14,548.88x = 21,802.82 × 6,631.94
  4. Step 4: Simplify right side
    14,548.88x = 144,595,052.72
  5. Step 5: Solve for x
    x = 144,595,052.72/14,548.88
  6. Step 6: Final answer
    x = 9,938.57

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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.