Home / 15,349.96-21,181.04-9,682.56

Finding the Fourth Proportional to 15,349.96, 21,181.04 and 9,682.56

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Solution

The fourth proportional to 15,349.96, 21,181.04 and 9,682.56 is: 13,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.96 : 21,181.04 = 9,682.56 : x
  2. Step 2: Convert to fraction form
    15,349.96/21,181.04 = 9,682.56/x
  3. Step 3: Cross multiply
    15,349.96x = 21,181.04 × 9,682.56
  4. Step 4: Simplify right side
    15,349.96x = 205,086,792.60
  5. Step 5: Solve for x
    x = 205,086,792.60/15,349.96
  6. Step 6: Final answer
    x = 13,360.74

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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.