Home / 11,004.80-16,502.40-4,428.80

Finding the Fourth Proportional to 11,004.80, 16,502.40 and 4,428.80

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Solution

The fourth proportional to 11,004.80, 16,502.40 and 4,428.80 is: 6,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.80 : 16,502.40 = 4,428.80 : x
  2. Step 2: Convert to fraction form
    11,004.80/16,502.40 = 4,428.80/x
  3. Step 3: Cross multiply
    11,004.80x = 16,502.40 × 4,428.80
  4. Step 4: Simplify right side
    11,004.80x = 73,085,829.12
  5. Step 5: Solve for x
    x = 73,085,829.12/11,004.80
  6. Step 6: Final answer
    x = 6,641.27

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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.