Home / 18,420.09-27,632.57-9,060.54

Finding the Fourth Proportional to 18,420.09, 27,632.57 and 9,060.54

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Solution

The fourth proportional to 18,420.09, 27,632.57 and 9,060.54 is: 13,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.09 : 27,632.57 = 9,060.54 : x
  2. Step 2: Convert to fraction form
    18,420.09/27,632.57 = 9,060.54/x
  3. Step 3: Cross multiply
    18,420.09x = 27,632.57 × 9,060.54
  4. Step 4: Simplify right side
    18,420.09x = 250,365,960.49
  5. Step 5: Solve for x
    x = 250,365,960.49/18,420.09
  6. Step 6: Final answer
    x = 13,592.01

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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.