Home / 18,941.06-28,404.45-6,288.45

Finding the Fourth Proportional to 18,941.06, 28,404.45 and 6,288.45

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Solution

The fourth proportional to 18,941.06, 28,404.45 and 6,288.45 is: 9,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.06 : 28,404.45 = 6,288.45 : x
  2. Step 2: Convert to fraction form
    18,941.06/28,404.45 = 6,288.45/x
  3. Step 3: Cross multiply
    18,941.06x = 28,404.45 × 6,288.45
  4. Step 4: Simplify right side
    18,941.06x = 178,619,963.60
  5. Step 5: Solve for x
    x = 178,619,963.60/18,941.06
  6. Step 6: Final answer
    x = 9,430.31

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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.