Home / 15,643.87-23,467.76-5,114.95

Finding the Fourth Proportional to 15,643.87, 23,467.76 and 5,114.95

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Solution

The fourth proportional to 15,643.87, 23,467.76 and 5,114.95 is: 7,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.87 : 23,467.76 = 5,114.95 : x
  2. Step 2: Convert to fraction form
    15,643.87/23,467.76 = 5,114.95/x
  3. Step 3: Cross multiply
    15,643.87x = 23,467.76 × 5,114.95
  4. Step 4: Simplify right side
    15,643.87x = 120,036,419.01
  5. Step 5: Solve for x
    x = 120,036,419.01/15,643.87
  6. Step 6: Final answer
    x = 7,673.06

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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.