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Finding the Fourth Proportional to 15,940.98, 23,911.47 and 7,595.64

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Solution

The fourth proportional to 15,940.98, 23,911.47 and 7,595.64 is: 11,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.98 : 23,911.47 = 7,595.64 : x
  2. Step 2: Convert to fraction form
    15,940.98/23,911.47 = 7,595.64/x
  3. Step 3: Cross multiply
    15,940.98x = 23,911.47 × 7,595.64
  4. Step 4: Simplify right side
    15,940.98x = 181,622,917.99
  5. Step 5: Solve for x
    x = 181,622,917.99/15,940.98
  6. Step 6: Final answer
    x = 11,393.46

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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.