Home / 14,317.65-21,477.02-3,930.21

Finding the Fourth Proportional to 14,317.65, 21,477.02 and 3,930.21

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Solution

The fourth proportional to 14,317.65, 21,477.02 and 3,930.21 is: 5,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.65 : 21,477.02 = 3,930.21 : x
  2. Step 2: Convert to fraction form
    14,317.65/21,477.02 = 3,930.21/x
  3. Step 3: Cross multiply
    14,317.65x = 21,477.02 × 3,930.21
  4. Step 4: Simplify right side
    14,317.65x = 84,409,179.12
  5. Step 5: Solve for x
    x = 84,409,179.12/14,317.65
  6. Step 6: Final answer
    x = 5,895.46

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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.