Home / 18,836.48-28,236.32-8,973.12

Finding the Fourth Proportional to 18,836.48, 28,236.32 and 8,973.12

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Solution

The fourth proportional to 18,836.48, 28,236.32 and 8,973.12 is: 13,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.48 : 28,236.32 = 8,973.12 : x
  2. Step 2: Convert to fraction form
    18,836.48/28,236.32 = 8,973.12/x
  3. Step 3: Cross multiply
    18,836.48x = 28,236.32 × 8,973.12
  4. Step 4: Simplify right side
    18,836.48x = 253,367,887.72
  5. Step 5: Solve for x
    x = 253,367,887.72/18,836.48
  6. Step 6: Final answer
    x = 13,450.91

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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.