Home / 12,650.14-18,983.60-5,254.58

Finding the Fourth Proportional to 12,650.14, 18,983.60 and 5,254.58

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Solution

The fourth proportional to 12,650.14, 18,983.60 and 5,254.58 is: 7,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.14 : 18,983.60 = 5,254.58 : x
  2. Step 2: Convert to fraction form
    12,650.14/18,983.60 = 5,254.58/x
  3. Step 3: Cross multiply
    12,650.14x = 18,983.60 × 5,254.58
  4. Step 4: Simplify right side
    12,650.14x = 99,750,844.89
  5. Step 5: Solve for x
    x = 99,750,844.89/12,650.14
  6. Step 6: Final answer
    x = 7,885.36

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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.