Home / 20,018.34-30,032.64-6,693.44

Finding the Fourth Proportional to 20,018.34, 30,032.64 and 6,693.44

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Solution

The fourth proportional to 20,018.34, 30,032.64 and 6,693.44 is: 10,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.34 : 30,032.64 = 6,693.44 : x
  2. Step 2: Convert to fraction form
    20,018.34/30,032.64 = 6,693.44/x
  3. Step 3: Cross multiply
    20,018.34x = 30,032.64 × 6,693.44
  4. Step 4: Simplify right side
    20,018.34x = 201,021,523.72
  5. Step 5: Solve for x
    x = 201,021,523.72/20,018.34
  6. Step 6: Final answer
    x = 10,041.87

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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.