Home / 18,880.60-26,056.68-11,327.24

Finding the Fourth Proportional to 18,880.60, 26,056.68 and 11,327.24

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Solution

The fourth proportional to 18,880.60, 26,056.68 and 11,327.24 is: 15,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.60 : 26,056.68 = 11,327.24 : x
  2. Step 2: Convert to fraction form
    18,880.60/26,056.68 = 11,327.24/x
  3. Step 3: Cross multiply
    18,880.60x = 26,056.68 × 11,327.24
  4. Step 4: Simplify right side
    18,880.60x = 295,150,267.96
  5. Step 5: Solve for x
    x = 295,150,267.96/18,880.60
  6. Step 6: Final answer
    x = 15,632.46

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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.