Home / 15,396.72-23,087.90-7,999.19

Finding the Fourth Proportional to 15,396.72, 23,087.90 and 7,999.19

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Solution

The fourth proportional to 15,396.72, 23,087.90 and 7,999.19 is: 11,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.72 : 23,087.90 = 7,999.19 : x
  2. Step 2: Convert to fraction form
    15,396.72/23,087.90 = 7,999.19/x
  3. Step 3: Cross multiply
    15,396.72x = 23,087.90 × 7,999.19
  4. Step 4: Simplify right side
    15,396.72x = 184,684,498.80
  5. Step 5: Solve for x
    x = 184,684,498.80/15,396.72
  6. Step 6: Final answer
    x = 11,995.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.