Home / 15,468.75-21,352.41-9,181.13

Finding the Fourth Proportional to 15,468.75, 21,352.41 and 9,181.13

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Solution

The fourth proportional to 15,468.75, 21,352.41 and 9,181.13 is: 12,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.75 : 21,352.41 = 9,181.13 : x
  2. Step 2: Convert to fraction form
    15,468.75/21,352.41 = 9,181.13/x
  3. Step 3: Cross multiply
    15,468.75x = 21,352.41 × 9,181.13
  4. Step 4: Simplify right side
    15,468.75x = 196,039,145.26
  5. Step 5: Solve for x
    x = 196,039,145.26/15,468.75
  6. Step 6: Final answer
    x = 12,673.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.