Home / 12,558.76-18,825.02-4,235.90

Finding the Fourth Proportional to 12,558.76, 18,825.02 and 4,235.90

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Solution

The fourth proportional to 12,558.76, 18,825.02 and 4,235.90 is: 6,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.76 : 18,825.02 = 4,235.90 : x
  2. Step 2: Convert to fraction form
    12,558.76/18,825.02 = 4,235.90/x
  3. Step 3: Cross multiply
    12,558.76x = 18,825.02 × 4,235.90
  4. Step 4: Simplify right side
    12,558.76x = 79,740,902.22
  5. Step 5: Solve for x
    x = 79,740,902.22/12,558.76
  6. Step 6: Final answer
    x = 6,349.42

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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.