Home / 18,744.80-28,113.60-5,597.60

Finding the Fourth Proportional to 18,744.80, 28,113.60 and 5,597.60

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Solution

The fourth proportional to 18,744.80, 28,113.60 and 5,597.60 is: 8,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.80 : 28,113.60 = 5,597.60 : x
  2. Step 2: Convert to fraction form
    18,744.80/28,113.60 = 5,597.60/x
  3. Step 3: Cross multiply
    18,744.80x = 28,113.60 × 5,597.60
  4. Step 4: Simplify right side
    18,744.80x = 157,368,687.36
  5. Step 5: Solve for x
    x = 157,368,687.36/18,744.80
  6. Step 6: Final answer
    x = 8,395.32

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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.