Home / 11,180.80-16,790.40-10,835.20

Finding the Fourth Proportional to 11,180.80, 16,790.40 and 10,835.20

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Solution

The fourth proportional to 11,180.80, 16,790.40 and 10,835.20 is: 16,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.80 : 16,790.40 = 10,835.20 : x
  2. Step 2: Convert to fraction form
    11,180.80/16,790.40 = 10,835.20/x
  3. Step 3: Cross multiply
    11,180.80x = 16,790.40 × 10,835.20
  4. Step 4: Simplify right side
    11,180.80x = 181,927,342.08
  5. Step 5: Solve for x
    x = 181,927,342.08/11,180.80
  6. Step 6: Final answer
    x = 16,271.41

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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.