Home / 11,210.26-16,816.36-2,890.21

Finding the Fourth Proportional to 11,210.26, 16,816.36 and 2,890.21

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Solution

The fourth proportional to 11,210.26, 16,816.36 and 2,890.21 is: 4,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.26 : 16,816.36 = 2,890.21 : x
  2. Step 2: Convert to fraction form
    11,210.26/16,816.36 = 2,890.21/x
  3. Step 3: Cross multiply
    11,210.26x = 16,816.36 × 2,890.21
  4. Step 4: Simplify right side
    11,210.26x = 48,602,811.71
  5. Step 5: Solve for x
    x = 48,602,811.71/11,210.26
  6. Step 6: Final answer
    x = 4,335.56

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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.