Home / 13,349.25-18,379.80-11,754.81

Finding the Fourth Proportional to 13,349.25, 18,379.80 and 11,754.81

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Solution

The fourth proportional to 13,349.25, 18,379.80 and 11,754.81 is: 16,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.25 : 18,379.80 = 11,754.81 : x
  2. Step 2: Convert to fraction form
    13,349.25/18,379.80 = 11,754.81/x
  3. Step 3: Cross multiply
    13,349.25x = 18,379.80 × 11,754.81
  4. Step 4: Simplify right side
    13,349.25x = 216,051,056.84
  5. Step 5: Solve for x
    x = 216,051,056.84/13,349.25
  6. Step 6: Final answer
    x = 16,184.51

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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.