Home / 14,256.72-21,372.12-9,630

Finding the Fourth Proportional to 14,256.72, 21,372.12 and 9,630

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Solution

The fourth proportional to 14,256.72, 21,372.12 and 9,630 is: 14,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.72 : 21,372.12 = 9,630 : x
  2. Step 2: Convert to fraction form
    14,256.72/21,372.12 = 9,630/x
  3. Step 3: Cross multiply
    14,256.72x = 21,372.12 × 9,630
  4. Step 4: Simplify right side
    14,256.72x = 205,813,515.60
  5. Step 5: Solve for x
    x = 205,813,515.60/14,256.72
  6. Step 6: Final answer
    x = 14,436.25

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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.