Home / 18,880.53-26,043.66-13,582.53

Finding the Fourth Proportional to 18,880.53, 26,043.66 and 13,582.53

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Solution

The fourth proportional to 18,880.53, 26,043.66 and 13,582.53 is: 18,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.53 : 26,043.66 = 13,582.53 : x
  2. Step 2: Convert to fraction form
    18,880.53/26,043.66 = 13,582.53/x
  3. Step 3: Cross multiply
    18,880.53x = 26,043.66 × 13,582.53
  4. Step 4: Simplify right side
    18,880.53x = 353,738,793.26
  5. Step 5: Solve for x
    x = 353,738,793.26/18,880.53
  6. Step 6: Final answer
    x = 18,735.64

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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.