Home / 11,651.04-16,078.75-6,346.20

Finding the Fourth Proportional to 11,651.04, 16,078.75 and 6,346.20

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Solution

The fourth proportional to 11,651.04, 16,078.75 and 6,346.20 is: 8,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.04 : 16,078.75 = 6,346.20 : x
  2. Step 2: Convert to fraction form
    11,651.04/16,078.75 = 6,346.20/x
  3. Step 3: Cross multiply
    11,651.04x = 16,078.75 × 6,346.20
  4. Step 4: Simplify right side
    11,651.04x = 102,038,851.13
  5. Step 5: Solve for x
    x = 102,038,851.13/11,651.04
  6. Step 6: Final answer
    x = 8,757.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.