Home / 11,206.35-16,815.32-4,970.66

Finding the Fourth Proportional to 11,206.35, 16,815.32 and 4,970.66

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Solution

The fourth proportional to 11,206.35, 16,815.32 and 4,970.66 is: 7,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.35 : 16,815.32 = 4,970.66 : x
  2. Step 2: Convert to fraction form
    11,206.35/16,815.32 = 4,970.66/x
  3. Step 3: Cross multiply
    11,206.35x = 16,815.32 × 4,970.66
  4. Step 4: Simplify right side
    11,206.35x = 83,583,238.51
  5. Step 5: Solve for x
    x = 83,583,238.51/11,206.35
  6. Step 6: Final answer
    x = 7,458.56

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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.