Home / 9,630.48-14,436-3,784.80

Finding the Fourth Proportional to 9,630.48, 14,436 and 3,784.80

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Solution

The fourth proportional to 9,630.48, 14,436 and 3,784.80 is: 5,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.48 : 14,436 = 3,784.80 : x
  2. Step 2: Convert to fraction form
    9,630.48/14,436 = 3,784.80/x
  3. Step 3: Cross multiply
    9,630.48x = 14,436 × 3,784.80
  4. Step 4: Simplify right side
    9,630.48x = 54,637,372.80
  5. Step 5: Solve for x
    x = 54,637,372.80/9,630.48
  6. Step 6: Final answer
    x = 5,673.38

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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.