Home / 18,792.72-25,907.16-13,485.84

Finding the Fourth Proportional to 18,792.72, 25,907.16 and 13,485.84

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Solution

The fourth proportional to 18,792.72, 25,907.16 and 13,485.84 is: 18,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.72 : 25,907.16 = 13,485.84 : x
  2. Step 2: Convert to fraction form
    18,792.72/25,907.16 = 13,485.84/x
  3. Step 3: Cross multiply
    18,792.72x = 25,907.16 × 13,485.84
  4. Step 4: Simplify right side
    18,792.72x = 349,379,814.61
  5. Step 5: Solve for x
    x = 349,379,814.61/18,792.72
  6. Step 6: Final answer
    x = 18,591.23

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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.