Home / 11,124.16-16,690.90-4,880.96

Finding the Fourth Proportional to 11,124.16, 16,690.90 and 4,880.96

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Solution

The fourth proportional to 11,124.16, 16,690.90 and 4,880.96 is: 7,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.16 : 16,690.90 = 4,880.96 : x
  2. Step 2: Convert to fraction form
    11,124.16/16,690.90 = 4,880.96/x
  3. Step 3: Cross multiply
    11,124.16x = 16,690.90 × 4,880.96
  4. Step 4: Simplify right side
    11,124.16x = 81,467,615.26
  5. Step 5: Solve for x
    x = 81,467,615.26/11,124.16
  6. Step 6: Final answer
    x = 7,323.48

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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.