Home / 10,784.60-16,179.20-6,106.80

Finding the Fourth Proportional to 10,784.60, 16,179.20 and 6,106.80

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Solution

The fourth proportional to 10,784.60, 16,179.20 and 6,106.80 is: 9,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.60 : 16,179.20 = 6,106.80 : x
  2. Step 2: Convert to fraction form
    10,784.60/16,179.20 = 6,106.80/x
  3. Step 3: Cross multiply
    10,784.60x = 16,179.20 × 6,106.80
  4. Step 4: Simplify right side
    10,784.60x = 98,803,138.56
  5. Step 5: Solve for x
    x = 98,803,138.56/10,784.60
  6. Step 6: Final answer
    x = 9,161.50

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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.