Home / 18,733.06-28,091.70-7,632.16

Finding the Fourth Proportional to 18,733.06, 28,091.70 and 7,632.16

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Solution

The fourth proportional to 18,733.06, 28,091.70 and 7,632.16 is: 11,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.06 : 28,091.70 = 7,632.16 : x
  2. Step 2: Convert to fraction form
    18,733.06/28,091.70 = 7,632.16/x
  3. Step 3: Cross multiply
    18,733.06x = 28,091.70 × 7,632.16
  4. Step 4: Simplify right side
    18,733.06x = 214,400,349.07
  5. Step 5: Solve for x
    x = 214,400,349.07/18,733.06
  6. Step 6: Final answer
    x = 11,445.03

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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.