Home / 14,534-21,804.67-4,145.75

Finding the Fourth Proportional to 14,534, 21,804.67 and 4,145.75

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Solution

The fourth proportional to 14,534, 21,804.67 and 4,145.75 is: 6,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534 : 21,804.67 = 4,145.75 : x
  2. Step 2: Convert to fraction form
    14,534/21,804.67 = 4,145.75/x
  3. Step 3: Cross multiply
    14,534x = 21,804.67 × 4,145.75
  4. Step 4: Simplify right side
    14,534x = 90,396,710.65
  5. Step 5: Solve for x
    x = 90,396,710.65/14,534
  6. Step 6: Final answer
    x = 6,219.67

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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.