Home / 13,823.59-19,076.60-7,857.24

Finding the Fourth Proportional to 13,823.59, 19,076.60 and 7,857.24

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Solution

The fourth proportional to 13,823.59, 19,076.60 and 7,857.24 is: 10,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.59 : 19,076.60 = 7,857.24 : x
  2. Step 2: Convert to fraction form
    13,823.59/19,076.60 = 7,857.24/x
  3. Step 3: Cross multiply
    13,823.59x = 19,076.60 × 7,857.24
  4. Step 4: Simplify right side
    13,823.59x = 149,889,424.58
  5. Step 5: Solve for x
    x = 149,889,424.58/13,823.59
  6. Step 6: Final answer
    x = 10,843.02

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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.