Home / 12,235.10-18,347.88-4,334.58

Finding the Fourth Proportional to 12,235.10, 18,347.88 and 4,334.58

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Solution

The fourth proportional to 12,235.10, 18,347.88 and 4,334.58 is: 6,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.10 : 18,347.88 = 4,334.58 : x
  2. Step 2: Convert to fraction form
    12,235.10/18,347.88 = 4,334.58/x
  3. Step 3: Cross multiply
    12,235.10x = 18,347.88 × 4,334.58
  4. Step 4: Simplify right side
    12,235.10x = 79,530,353.69
  5. Step 5: Solve for x
    x = 79,530,353.69/12,235.10
  6. Step 6: Final answer
    x = 6,500.18

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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.