Home / 15,857.64-23,784.44-4,171.77

Finding the Fourth Proportional to 15,857.64, 23,784.44 and 4,171.77

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Solution

The fourth proportional to 15,857.64, 23,784.44 and 4,171.77 is: 6,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.64 : 23,784.44 = 4,171.77 : x
  2. Step 2: Convert to fraction form
    15,857.64/23,784.44 = 4,171.77/x
  3. Step 3: Cross multiply
    15,857.64x = 23,784.44 × 4,171.77
  4. Step 4: Simplify right side
    15,857.64x = 99,223,192.40
  5. Step 5: Solve for x
    x = 99,223,192.40/15,857.64
  6. Step 6: Final answer
    x = 6,257.12

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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.