Home / 13,601.23-18,769.80-8,885.50

Finding the Fourth Proportional to 13,601.23, 18,769.80 and 8,885.50

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Solution

The fourth proportional to 13,601.23, 18,769.80 and 8,885.50 is: 12,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.23 : 18,769.80 = 8,885.50 : x
  2. Step 2: Convert to fraction form
    13,601.23/18,769.80 = 8,885.50/x
  3. Step 3: Cross multiply
    13,601.23x = 18,769.80 × 8,885.50
  4. Step 4: Simplify right side
    13,601.23x = 166,779,057.90
  5. Step 5: Solve for x
    x = 166,779,057.90/13,601.23
  6. Step 6: Final answer
    x = 12,262.06

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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.