Home / 18,623.78-25,697.46-10,557.44

Finding the Fourth Proportional to 18,623.78, 25,697.46 and 10,557.44

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Solution

The fourth proportional to 18,623.78, 25,697.46 and 10,557.44 is: 14,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.78 : 25,697.46 = 10,557.44 : x
  2. Step 2: Convert to fraction form
    18,623.78/25,697.46 = 10,557.44/x
  3. Step 3: Cross multiply
    18,623.78x = 25,697.46 × 10,557.44
  4. Step 4: Simplify right side
    18,623.78x = 271,299,392.10
  5. Step 5: Solve for x
    x = 271,299,392.10/18,623.78
  6. Step 6: Final answer
    x = 14,567.36

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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.