Home / 13,243.99-19,847.52-9,953.23

Finding the Fourth Proportional to 13,243.99, 19,847.52 and 9,953.23

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Solution

The fourth proportional to 13,243.99, 19,847.52 and 9,953.23 is: 14,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.99 : 19,847.52 = 9,953.23 : x
  2. Step 2: Convert to fraction form
    13,243.99/19,847.52 = 9,953.23/x
  3. Step 3: Cross multiply
    13,243.99x = 19,847.52 × 9,953.23
  4. Step 4: Simplify right side
    13,243.99x = 197,546,832.25
  5. Step 5: Solve for x
    x = 197,546,832.25/13,243.99
  6. Step 6: Final answer
    x = 14,915.97

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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.