Home / 12,558.75-18,824.91-4,235.84

Finding the Fourth Proportional to 12,558.75, 18,824.91 and 4,235.84

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Solution

The fourth proportional to 12,558.75, 18,824.91 and 4,235.84 is: 6,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.75 : 18,824.91 = 4,235.84 : x
  2. Step 2: Convert to fraction form
    12,558.75/18,824.91 = 4,235.84/x
  3. Step 3: Cross multiply
    12,558.75x = 18,824.91 × 4,235.84
  4. Step 4: Simplify right side
    12,558.75x = 79,739,373.25
  5. Step 5: Solve for x
    x = 79,739,373.25/12,558.75
  6. Step 6: Final answer
    x = 6,349.31

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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.