Home / 14,322.89-21,481.55-7,205.23

Finding the Fourth Proportional to 14,322.89, 21,481.55 and 7,205.23

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Solution

The fourth proportional to 14,322.89, 21,481.55 and 7,205.23 is: 10,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.89 : 21,481.55 = 7,205.23 : x
  2. Step 2: Convert to fraction form
    14,322.89/21,481.55 = 7,205.23/x
  3. Step 3: Cross multiply
    14,322.89x = 21,481.55 × 7,205.23
  4. Step 4: Simplify right side
    14,322.89x = 154,779,365.07
  5. Step 5: Solve for x
    x = 154,779,365.07/14,322.89
  6. Step 6: Final answer
    x = 10,806.44

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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.