Home / 11,576.61-15,976.50-11,158.35

Finding the Fourth Proportional to 11,576.61, 15,976.50 and 11,158.35

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Solution

The fourth proportional to 11,576.61, 15,976.50 and 11,158.35 is: 15,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.61 : 15,976.50 = 11,158.35 : x
  2. Step 2: Convert to fraction form
    11,576.61/15,976.50 = 11,158.35/x
  3. Step 3: Cross multiply
    11,576.61x = 15,976.50 × 11,158.35
  4. Step 4: Simplify right side
    11,576.61x = 178,271,378.78
  5. Step 5: Solve for x
    x = 178,271,378.78/11,576.61
  6. Step 6: Final answer
    x = 15,399.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.