Home / 13,235.96-18,266.58-8,751.93

Finding the Fourth Proportional to 13,235.96, 18,266.58 and 8,751.93

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Solution

The fourth proportional to 13,235.96, 18,266.58 and 8,751.93 is: 12,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.96 : 18,266.58 = 8,751.93 : x
  2. Step 2: Convert to fraction form
    13,235.96/18,266.58 = 8,751.93/x
  3. Step 3: Cross multiply
    13,235.96x = 18,266.58 × 8,751.93
  4. Step 4: Simplify right side
    13,235.96x = 159,867,829.50
  5. Step 5: Solve for x
    x = 159,867,829.50/13,235.96
  6. Step 6: Final answer
    x = 12,078.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.