Home / 14,219.06-21,326.15-3,828.38

Finding the Fourth Proportional to 14,219.06, 21,326.15 and 3,828.38

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Solution

The fourth proportional to 14,219.06, 21,326.15 and 3,828.38 is: 5,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.06 : 21,326.15 = 3,828.38 : x
  2. Step 2: Convert to fraction form
    14,219.06/21,326.15 = 3,828.38/x
  3. Step 3: Cross multiply
    14,219.06x = 21,326.15 × 3,828.38
  4. Step 4: Simplify right side
    14,219.06x = 81,644,509.08
  5. Step 5: Solve for x
    x = 81,644,509.08/14,219.06
  6. Step 6: Final answer
    x = 5,741.91

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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.