Home / 21,099.01-31,651.56-7,054.85

Finding the Fourth Proportional to 21,099.01, 31,651.56 and 7,054.85

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Solution

The fourth proportional to 21,099.01, 31,651.56 and 7,054.85 is: 10,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099.01 : 31,651.56 = 7,054.85 : x
  2. Step 2: Convert to fraction form
    21,099.01/31,651.56 = 7,054.85/x
  3. Step 3: Cross multiply
    21,099.01x = 31,651.56 × 7,054.85
  4. Step 4: Simplify right side
    21,099.01x = 223,296,909.15
  5. Step 5: Solve for x
    x = 223,296,909.15/21,099.01
  6. Step 6: Final answer
    x = 10,583.29

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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.