Home / 20,466.23-30,699.32-6,427.35

Finding the Fourth Proportional to 20,466.23, 30,699.32 and 6,427.35

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Solution

The fourth proportional to 20,466.23, 30,699.32 and 6,427.35 is: 9,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.23 : 30,699.32 = 6,427.35 : x
  2. Step 2: Convert to fraction form
    20,466.23/30,699.32 = 6,427.35/x
  3. Step 3: Cross multiply
    20,466.23x = 30,699.32 × 6,427.35
  4. Step 4: Simplify right side
    20,466.23x = 197,315,242.27
  5. Step 5: Solve for x
    x = 197,315,242.27/20,466.23
  6. Step 6: Final answer
    x = 9,641.02

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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.