Home / 18,839.02-28,267.71-7,749.04

Finding the Fourth Proportional to 18,839.02, 28,267.71 and 7,749.04

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Solution

The fourth proportional to 18,839.02, 28,267.71 and 7,749.04 is: 11,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.02 : 28,267.71 = 7,749.04 : x
  2. Step 2: Convert to fraction form
    18,839.02/28,267.71 = 7,749.04/x
  3. Step 3: Cross multiply
    18,839.02x = 28,267.71 × 7,749.04
  4. Step 4: Simplify right side
    18,839.02x = 219,047,474.16
  5. Step 5: Solve for x
    x = 219,047,474.16/18,839.02
  6. Step 6: Final answer
    x = 11,627.33

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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.