Home / 11,022.80-16,534.20-6,357.20

Finding the Fourth Proportional to 11,022.80, 16,534.20 and 6,357.20

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Solution

The fourth proportional to 11,022.80, 16,534.20 and 6,357.20 is: 9,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.80 : 16,534.20 = 6,357.20 : x
  2. Step 2: Convert to fraction form
    11,022.80/16,534.20 = 6,357.20/x
  3. Step 3: Cross multiply
    11,022.80x = 16,534.20 × 6,357.20
  4. Step 4: Simplify right side
    11,022.80x = 105,111,216.24
  5. Step 5: Solve for x
    x = 105,111,216.24/11,022.80
  6. Step 6: Final answer
    x = 9,535.80

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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.