Home / 14,618.89-21,928.14-3,525.49

Finding the Fourth Proportional to 14,618.89, 21,928.14 and 3,525.49

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Solution

The fourth proportional to 14,618.89, 21,928.14 and 3,525.49 is: 5,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.89 : 21,928.14 = 3,525.49 : x
  2. Step 2: Convert to fraction form
    14,618.89/21,928.14 = 3,525.49/x
  3. Step 3: Cross multiply
    14,618.89x = 21,928.14 × 3,525.49
  4. Step 4: Simplify right side
    14,618.89x = 77,307,438.29
  5. Step 5: Solve for x
    x = 77,307,438.29/14,618.89
  6. Step 6: Final answer
    x = 5,288.19

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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.