Home / 12,591.89-17,376.45-6,926.64

Finding the Fourth Proportional to 12,591.89, 17,376.45 and 6,926.64

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Solution

The fourth proportional to 12,591.89, 17,376.45 and 6,926.64 is: 9,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.89 : 17,376.45 = 6,926.64 : x
  2. Step 2: Convert to fraction form
    12,591.89/17,376.45 = 6,926.64/x
  3. Step 3: Cross multiply
    12,591.89x = 17,376.45 × 6,926.64
  4. Step 4: Simplify right side
    12,591.89x = 120,360,413.63
  5. Step 5: Solve for x
    x = 120,360,413.63/12,591.89
  6. Step 6: Final answer
    x = 9,558.57

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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.