Home / 9,999.45-13,798.35-5,523.12

Finding the Fourth Proportional to 9,999.45, 13,798.35 and 5,523.12

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Solution

The fourth proportional to 9,999.45, 13,798.35 and 5,523.12 is: 7,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.45 : 13,798.35 = 5,523.12 : x
  2. Step 2: Convert to fraction form
    9,999.45/13,798.35 = 5,523.12/x
  3. Step 3: Cross multiply
    9,999.45x = 13,798.35 × 5,523.12
  4. Step 4: Simplify right side
    9,999.45x = 76,209,942.85
  5. Step 5: Solve for x
    x = 76,209,942.85/9,999.45
  6. Step 6: Final answer
    x = 7,621.41

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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.