Home / 18,588.60-25,648.38-11,784.74

Finding the Fourth Proportional to 18,588.60, 25,648.38 and 11,784.74

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Solution

The fourth proportional to 18,588.60, 25,648.38 and 11,784.74 is: 16,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.60 : 25,648.38 = 11,784.74 : x
  2. Step 2: Convert to fraction form
    18,588.60/25,648.38 = 11,784.74/x
  3. Step 3: Cross multiply
    18,588.60x = 25,648.38 × 11,784.74
  4. Step 4: Simplify right side
    18,588.60x = 302,259,361.48
  5. Step 5: Solve for x
    x = 302,259,361.48/18,588.60
  6. Step 6: Final answer
    x = 16,260.47

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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.