Home / 12,588.06-17,369.55-6,999.06

Finding the Fourth Proportional to 12,588.06, 17,369.55 and 6,999.06

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Solution

The fourth proportional to 12,588.06, 17,369.55 and 6,999.06 is: 9,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.06 : 17,369.55 = 6,999.06 : x
  2. Step 2: Convert to fraction form
    12,588.06/17,369.55 = 6,999.06/x
  3. Step 3: Cross multiply
    12,588.06x = 17,369.55 × 6,999.06
  4. Step 4: Simplify right side
    12,588.06x = 121,570,522.62
  5. Step 5: Solve for x
    x = 121,570,522.62/12,588.06
  6. Step 6: Final answer
    x = 9,657.61

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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.