Home / 11,280.52-16,922.40-3,487.51

Finding the Fourth Proportional to 11,280.52, 16,922.40 and 3,487.51

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Solution

The fourth proportional to 11,280.52, 16,922.40 and 3,487.51 is: 5,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.52 : 16,922.40 = 3,487.51 : x
  2. Step 2: Convert to fraction form
    11,280.52/16,922.40 = 3,487.51/x
  3. Step 3: Cross multiply
    11,280.52x = 16,922.40 × 3,487.51
  4. Step 4: Simplify right side
    11,280.52x = 59,017,039.22
  5. Step 5: Solve for x
    x = 59,017,039.22/11,280.52
  6. Step 6: Final answer
    x = 5,231.77

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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.