Home / 19,321.07-28,984.01-6,838.60

Finding the Fourth Proportional to 19,321.07, 28,984.01 and 6,838.60

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Solution

The fourth proportional to 19,321.07, 28,984.01 and 6,838.60 is: 10,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.07 : 28,984.01 = 6,838.60 : x
  2. Step 2: Convert to fraction form
    19,321.07/28,984.01 = 6,838.60/x
  3. Step 3: Cross multiply
    19,321.07x = 28,984.01 × 6,838.60
  4. Step 4: Simplify right side
    19,321.07x = 198,210,050.79
  5. Step 5: Solve for x
    x = 198,210,050.79/19,321.07
  6. Step 6: Final answer
    x = 10,258.75

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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.