Home / 9,999.21-14,984.76-4,445.85

Finding the Fourth Proportional to 9,999.21, 14,984.76 and 4,445.85

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Solution

The fourth proportional to 9,999.21, 14,984.76 and 4,445.85 is: 6,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.21 : 14,984.76 = 4,445.85 : x
  2. Step 2: Convert to fraction form
    9,999.21/14,984.76 = 4,445.85/x
  3. Step 3: Cross multiply
    9,999.21x = 14,984.76 × 4,445.85
  4. Step 4: Simplify right side
    9,999.21x = 66,619,995.25
  5. Step 5: Solve for x
    x = 66,619,995.25/9,999.21
  6. Step 6: Final answer
    x = 6,662.53

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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.