Home / 9,999.27-13,798.94-5,523.01

Finding the Fourth Proportional to 9,999.27, 13,798.94 and 5,523.01

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Solution

The fourth proportional to 9,999.27, 13,798.94 and 5,523.01 is: 7,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.27 : 13,798.94 = 5,523.01 : x
  2. Step 2: Convert to fraction form
    9,999.27/13,798.94 = 5,523.01/x
  3. Step 3: Cross multiply
    9,999.27x = 13,798.94 × 5,523.01
  4. Step 4: Simplify right side
    9,999.27x = 76,211,621.50
  5. Step 5: Solve for x
    x = 76,211,621.50/9,999.27
  6. Step 6: Final answer
    x = 7,621.72

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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.