Home / 11,805.20-17,688.60-9,846.80

Finding the Fourth Proportional to 11,805.20, 17,688.60 and 9,846.80

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Solution

The fourth proportional to 11,805.20, 17,688.60 and 9,846.80 is: 14,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.20 : 17,688.60 = 9,846.80 : x
  2. Step 2: Convert to fraction form
    11,805.20/17,688.60 = 9,846.80/x
  3. Step 3: Cross multiply
    11,805.20x = 17,688.60 × 9,846.80
  4. Step 4: Simplify right side
    11,805.20x = 174,176,106.48
  5. Step 5: Solve for x
    x = 174,176,106.48/11,805.20
  6. Step 6: Final answer
    x = 14,754.19

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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.