Home / 14,415.23-21,621.04-3,886.09

Finding the Fourth Proportional to 14,415.23, 21,621.04 and 3,886.09

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Solution

The fourth proportional to 14,415.23, 21,621.04 and 3,886.09 is: 5,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.23 : 21,621.04 = 3,886.09 : x
  2. Step 2: Convert to fraction form
    14,415.23/21,621.04 = 3,886.09/x
  3. Step 3: Cross multiply
    14,415.23x = 21,621.04 × 3,886.09
  4. Step 4: Simplify right side
    14,415.23x = 84,021,307.33
  5. Step 5: Solve for x
    x = 84,021,307.33/14,415.23
  6. Step 6: Final answer
    x = 5,828.65

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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.