Home / 14,436.82-19,915.23-9,122.41

Finding the Fourth Proportional to 14,436.82, 19,915.23 and 9,122.41

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Solution

The fourth proportional to 14,436.82, 19,915.23 and 9,122.41 is: 12,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.82 : 19,915.23 = 9,122.41 : x
  2. Step 2: Convert to fraction form
    14,436.82/19,915.23 = 9,122.41/x
  3. Step 3: Cross multiply
    14,436.82x = 19,915.23 × 9,122.41
  4. Step 4: Simplify right side
    14,436.82x = 181,674,893.30
  5. Step 5: Solve for x
    x = 181,674,893.30/14,436.82
  6. Step 6: Final answer
    x = 12,584.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.