Home / 14,620.40-21,899.24-6,289.52

Finding the Fourth Proportional to 14,620.40, 21,899.24 and 6,289.52

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Solution

The fourth proportional to 14,620.40, 21,899.24 and 6,289.52 is: 9,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.40 : 21,899.24 = 6,289.52 : x
  2. Step 2: Convert to fraction form
    14,620.40/21,899.24 = 6,289.52/x
  3. Step 3: Cross multiply
    14,620.40x = 21,899.24 × 6,289.52
  4. Step 4: Simplify right side
    14,620.40x = 137,735,707.96
  5. Step 5: Solve for x
    x = 137,735,707.96/14,620.40
  6. Step 6: Final answer
    x = 9,420.79

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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.