Home / 18,883.30-28,325.59-5,735.63

Finding the Fourth Proportional to 18,883.30, 28,325.59 and 5,735.63

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Solution

The fourth proportional to 18,883.30, 28,325.59 and 5,735.63 is: 8,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.30 : 28,325.59 = 5,735.63 : x
  2. Step 2: Convert to fraction form
    18,883.30/28,325.59 = 5,735.63/x
  3. Step 3: Cross multiply
    18,883.30x = 28,325.59 × 5,735.63
  4. Step 4: Simplify right side
    18,883.30x = 162,465,103.77
  5. Step 5: Solve for x
    x = 162,465,103.77/18,883.30
  6. Step 6: Final answer
    x = 8,603.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.