Home / 11,005.87-16,510.86-3,612.45

Finding the Fourth Proportional to 11,005.87, 16,510.86 and 3,612.45

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Solution

The fourth proportional to 11,005.87, 16,510.86 and 3,612.45 is: 5,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.87 : 16,510.86 = 3,612.45 : x
  2. Step 2: Convert to fraction form
    11,005.87/16,510.86 = 3,612.45/x
  3. Step 3: Cross multiply
    11,005.87x = 16,510.86 × 3,612.45
  4. Step 4: Simplify right side
    11,005.87x = 59,644,573.65
  5. Step 5: Solve for x
    x = 59,644,573.65/11,005.87
  6. Step 6: Final answer
    x = 5,419.34

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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.