Home / 17,873.32-24,664.80-9,915.36

Finding the Fourth Proportional to 17,873.32, 24,664.80 and 9,915.36

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Solution

The fourth proportional to 17,873.32, 24,664.80 and 9,915.36 is: 13,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.32 : 24,664.80 = 9,915.36 : x
  2. Step 2: Convert to fraction form
    17,873.32/24,664.80 = 9,915.36/x
  3. Step 3: Cross multiply
    17,873.32x = 24,664.80 × 9,915.36
  4. Step 4: Simplify right side
    17,873.32x = 244,560,371.33
  5. Step 5: Solve for x
    x = 244,560,371.33/17,873.32
  6. Step 6: Final answer
    x = 13,682.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.