Home / 15,552.68-21,464.24-9,181.37

Finding the Fourth Proportional to 15,552.68, 21,464.24 and 9,181.37

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Solution

The fourth proportional to 15,552.68, 21,464.24 and 9,181.37 is: 12,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.68 : 21,464.24 = 9,181.37 : x
  2. Step 2: Convert to fraction form
    15,552.68/21,464.24 = 9,181.37/x
  3. Step 3: Cross multiply
    15,552.68x = 21,464.24 × 9,181.37
  4. Step 4: Simplify right side
    15,552.68x = 197,071,083.30
  5. Step 5: Solve for x
    x = 197,071,083.30/15,552.68
  6. Step 6: Final answer
    x = 12,671.20

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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.