Home / 10,977.63-16,466.69-3,958.21

Finding the Fourth Proportional to 10,977.63, 16,466.69 and 3,958.21

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Solution

The fourth proportional to 10,977.63, 16,466.69 and 3,958.21 is: 5,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.63 : 16,466.69 = 3,958.21 : x
  2. Step 2: Convert to fraction form
    10,977.63/16,466.69 = 3,958.21/x
  3. Step 3: Cross multiply
    10,977.63x = 16,466.69 × 3,958.21
  4. Step 4: Simplify right side
    10,977.63x = 65,178,617.02
  5. Step 5: Solve for x
    x = 65,178,617.02/10,977.63
  6. Step 6: Final answer
    x = 5,937.40

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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.