Home / 16,840.69-25,261.03-7,478.51

Finding the Fourth Proportional to 16,840.69, 25,261.03 and 7,478.51

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Solution

The fourth proportional to 16,840.69, 25,261.03 and 7,478.51 is: 11,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.69 : 25,261.03 = 7,478.51 : x
  2. Step 2: Convert to fraction form
    16,840.69/25,261.03 = 7,478.51/x
  3. Step 3: Cross multiply
    16,840.69x = 25,261.03 × 7,478.51
  4. Step 4: Simplify right side
    16,840.69x = 188,914,865.47
  5. Step 5: Solve for x
    x = 188,914,865.47/16,840.69
  6. Step 6: Final answer
    x = 11,217.76

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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.