Home / 10,752.75-16,120.91-6,078.03

Finding the Fourth Proportional to 10,752.75, 16,120.91 and 6,078.03

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Solution

The fourth proportional to 10,752.75, 16,120.91 and 6,078.03 is: 9,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.75 : 16,120.91 = 6,078.03 : x
  2. Step 2: Convert to fraction form
    10,752.75/16,120.91 = 6,078.03/x
  3. Step 3: Cross multiply
    10,752.75x = 16,120.91 × 6,078.03
  4. Step 4: Simplify right side
    10,752.75x = 97,983,344.22
  5. Step 5: Solve for x
    x = 97,983,344.22/10,752.75
  6. Step 6: Final answer
    x = 9,112.40

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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.