Home / 12,618.63-17,413.49-6,953.91

Finding the Fourth Proportional to 12,618.63, 17,413.49 and 6,953.91

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Solution

The fourth proportional to 12,618.63, 17,413.49 and 6,953.91 is: 9,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.63 : 17,413.49 = 6,953.91 : x
  2. Step 2: Convert to fraction form
    12,618.63/17,413.49 = 6,953.91/x
  3. Step 3: Cross multiply
    12,618.63x = 17,413.49 × 6,953.91
  4. Step 4: Simplify right side
    12,618.63x = 121,091,842.25
  5. Step 5: Solve for x
    x = 121,091,842.25/12,618.63
  6. Step 6: Final answer
    x = 9,596.27

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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.