Home / 14,292.05-21,436.25-4,431.41

Finding the Fourth Proportional to 14,292.05, 21,436.25 and 4,431.41

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Solution

The fourth proportional to 14,292.05, 21,436.25 and 4,431.41 is: 6,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.05 : 21,436.25 = 4,431.41 : x
  2. Step 2: Convert to fraction form
    14,292.05/21,436.25 = 4,431.41/x
  3. Step 3: Cross multiply
    14,292.05x = 21,436.25 × 4,431.41
  4. Step 4: Simplify right side
    14,292.05x = 94,992,763.66
  5. Step 5: Solve for x
    x = 94,992,763.66/14,292.05
  6. Step 6: Final answer
    x = 6,646.55

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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.