Home / 8,914.40-12,303.94-5,930.36

Finding the Fourth Proportional to 8,914.40, 12,303.94 and 5,930.36

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Solution

The fourth proportional to 8,914.40, 12,303.94 and 5,930.36 is: 8,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.40 : 12,303.94 = 5,930.36 : x
  2. Step 2: Convert to fraction form
    8,914.40/12,303.94 = 5,930.36/x
  3. Step 3: Cross multiply
    8,914.40x = 12,303.94 × 5,930.36
  4. Step 4: Simplify right side
    8,914.40x = 72,966,793.62
  5. Step 5: Solve for x
    x = 72,966,793.62/8,914.40
  6. Step 6: Final answer
    x = 8,185.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.