Home / 14,205.22-21,307.81-3,816.97

Finding the Fourth Proportional to 14,205.22, 21,307.81 and 3,816.97

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Solution

The fourth proportional to 14,205.22, 21,307.81 and 3,816.97 is: 5,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.22 : 21,307.81 = 3,816.97 : x
  2. Step 2: Convert to fraction form
    14,205.22/21,307.81 = 3,816.97/x
  3. Step 3: Cross multiply
    14,205.22x = 21,307.81 × 3,816.97
  4. Step 4: Simplify right side
    14,205.22x = 81,331,281.08
  5. Step 5: Solve for x
    x = 81,331,281.08/14,205.22
  6. Step 6: Final answer
    x = 5,725.45

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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.