Home / 9,355.64-12,907.77-6,212.45

Finding the Fourth Proportional to 9,355.64, 12,907.77 and 6,212.45

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Solution

The fourth proportional to 9,355.64, 12,907.77 and 6,212.45 is: 8,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.64 : 12,907.77 = 6,212.45 : x
  2. Step 2: Convert to fraction form
    9,355.64/12,907.77 = 6,212.45/x
  3. Step 3: Cross multiply
    9,355.64x = 12,907.77 × 6,212.45
  4. Step 4: Simplify right side
    9,355.64x = 80,188,875.74
  5. Step 5: Solve for x
    x = 80,188,875.74/9,355.64
  6. Step 6: Final answer
    x = 8,571.18

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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.