Home / 11,862.45-16,370.30-6,485.04

Finding the Fourth Proportional to 11,862.45, 16,370.30 and 6,485.04

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Solution

The fourth proportional to 11,862.45, 16,370.30 and 6,485.04 is: 8,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.45 : 16,370.30 = 6,485.04 : x
  2. Step 2: Convert to fraction form
    11,862.45/16,370.30 = 6,485.04/x
  3. Step 3: Cross multiply
    11,862.45x = 16,370.30 × 6,485.04
  4. Step 4: Simplify right side
    11,862.45x = 106,162,066.52
  5. Step 5: Solve for x
    x = 106,162,066.52/11,862.45
  6. Step 6: Final answer
    x = 8,949.42

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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.