Home / 9,987.08-13,784.10-5,795.96

Finding the Fourth Proportional to 9,987.08, 13,784.10 and 5,795.96

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Solution

The fourth proportional to 9,987.08, 13,784.10 and 5,795.96 is: 7,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.08 : 13,784.10 = 5,795.96 : x
  2. Step 2: Convert to fraction form
    9,987.08/13,784.10 = 5,795.96/x
  3. Step 3: Cross multiply
    9,987.08x = 13,784.10 × 5,795.96
  4. Step 4: Simplify right side
    9,987.08x = 79,892,092.24
  5. Step 5: Solve for x
    x = 79,892,092.24/9,987.08
  6. Step 6: Final answer
    x = 7,999.54

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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.