Home / 11,976.20-16,526.10-6,671.24

Finding the Fourth Proportional to 11,976.20, 16,526.10 and 6,671.24

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Solution

The fourth proportional to 11,976.20, 16,526.10 and 6,671.24 is: 9,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.20 : 16,526.10 = 6,671.24 : x
  2. Step 2: Convert to fraction form
    11,976.20/16,526.10 = 6,671.24/x
  3. Step 3: Cross multiply
    11,976.20x = 16,526.10 × 6,671.24
  4. Step 4: Simplify right side
    11,976.20x = 110,249,579.36
  5. Step 5: Solve for x
    x = 110,249,579.36/11,976.20
  6. Step 6: Final answer
    x = 9,205.72

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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.