Home / 16,823.52-23,219.60-11,158.40

Finding the Fourth Proportional to 16,823.52, 23,219.60 and 11,158.40

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Solution

The fourth proportional to 16,823.52, 23,219.60 and 11,158.40 is: 15,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.52 : 23,219.60 = 11,158.40 : x
  2. Step 2: Convert to fraction form
    16,823.52/23,219.60 = 11,158.40/x
  3. Step 3: Cross multiply
    16,823.52x = 23,219.60 × 11,158.40
  4. Step 4: Simplify right side
    16,823.52x = 259,093,584.64
  5. Step 5: Solve for x
    x = 259,093,584.64/16,823.52
  6. Step 6: Final answer
    x = 15,400.68

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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.