Home / 20,554.15-30,832.10-6,513.87

Finding the Fourth Proportional to 20,554.15, 30,832.10 and 6,513.87

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Solution

The fourth proportional to 20,554.15, 30,832.10 and 6,513.87 is: 9,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.15 : 30,832.10 = 6,513.87 : x
  2. Step 2: Convert to fraction form
    20,554.15/30,832.10 = 6,513.87/x
  3. Step 3: Cross multiply
    20,554.15x = 30,832.10 × 6,513.87
  4. Step 4: Simplify right side
    20,554.15x = 200,836,291.23
  5. Step 5: Solve for x
    x = 200,836,291.23/20,554.15
  6. Step 6: Final answer
    x = 9,771.08

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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.