Home / 11,405.12-17,108.57-4,011.23

Finding the Fourth Proportional to 11,405.12, 17,108.57 and 4,011.23

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Solution

The fourth proportional to 11,405.12, 17,108.57 and 4,011.23 is: 6,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.12 : 17,108.57 = 4,011.23 : x
  2. Step 2: Convert to fraction form
    11,405.12/17,108.57 = 4,011.23/x
  3. Step 3: Cross multiply
    11,405.12x = 17,108.57 × 4,011.23
  4. Step 4: Simplify right side
    11,405.12x = 68,626,303.64
  5. Step 5: Solve for x
    x = 68,626,303.64/11,405.12
  6. Step 6: Final answer
    x = 6,017.15

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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.