Home / 11,411.28-17,120.16-4,015.98

Finding the Fourth Proportional to 11,411.28, 17,120.16 and 4,015.98

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Solution

The fourth proportional to 11,411.28, 17,120.16 and 4,015.98 is: 6,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.28 : 17,120.16 = 4,015.98 : x
  2. Step 2: Convert to fraction form
    11,411.28/17,120.16 = 4,015.98/x
  3. Step 3: Cross multiply
    11,411.28x = 17,120.16 × 4,015.98
  4. Step 4: Simplify right side
    11,411.28x = 68,754,220.16
  5. Step 5: Solve for x
    x = 68,754,220.16/11,411.28
  6. Step 6: Final answer
    x = 6,025.11

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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.