Home / 20,914.22-31,368.99-6,123.26

Finding the Fourth Proportional to 20,914.22, 31,368.99 and 6,123.26

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Solution

The fourth proportional to 20,914.22, 31,368.99 and 6,123.26 is: 9,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.22 : 31,368.99 = 6,123.26 : x
  2. Step 2: Convert to fraction form
    20,914.22/31,368.99 = 6,123.26/x
  3. Step 3: Cross multiply
    20,914.22x = 31,368.99 × 6,123.26
  4. Step 4: Simplify right side
    20,914.22x = 192,080,481.71
  5. Step 5: Solve for x
    x = 192,080,481.71/20,914.22
  6. Step 6: Final answer
    x = 9,184.20

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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.