Home / 12,087.24-16,680.24-6,782.16

Finding the Fourth Proportional to 12,087.24, 16,680.24 and 6,782.16

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Solution

The fourth proportional to 12,087.24, 16,680.24 and 6,782.16 is: 9,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.24 : 16,680.24 = 6,782.16 : x
  2. Step 2: Convert to fraction form
    12,087.24/16,680.24 = 6,782.16/x
  3. Step 3: Cross multiply
    12,087.24x = 16,680.24 × 6,782.16
  4. Step 4: Simplify right side
    12,087.24x = 113,128,056.52
  5. Step 5: Solve for x
    x = 113,128,056.52/12,087.24
  6. Step 6: Final answer
    x = 9,359.30

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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.