Home / 12,548.64-18,823.44-4,228.98

Finding the Fourth Proportional to 12,548.64, 18,823.44 and 4,228.98

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Solution

The fourth proportional to 12,548.64, 18,823.44 and 4,228.98 is: 6,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.64 : 18,823.44 = 4,228.98 : x
  2. Step 2: Convert to fraction form
    12,548.64/18,823.44 = 4,228.98/x
  3. Step 3: Cross multiply
    12,548.64x = 18,823.44 × 4,228.98
  4. Step 4: Simplify right side
    12,548.64x = 79,603,951.29
  5. Step 5: Solve for x
    x = 79,603,951.29/12,548.64
  6. Step 6: Final answer
    x = 6,343.63

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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.