Home / 19,331.40-28,989.54-6,846.60

Finding the Fourth Proportional to 19,331.40, 28,989.54 and 6,846.60

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Solution

The fourth proportional to 19,331.40, 28,989.54 and 6,846.60 is: 10,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.40 : 28,989.54 = 6,846.60 : x
  2. Step 2: Convert to fraction form
    19,331.40/28,989.54 = 6,846.60/x
  3. Step 3: Cross multiply
    19,331.40x = 28,989.54 × 6,846.60
  4. Step 4: Simplify right side
    19,331.40x = 198,479,784.56
  5. Step 5: Solve for x
    x = 198,479,784.56/19,331.40
  6. Step 6: Final answer
    x = 10,267.22

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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.