Home / 13,743.67-18,965.89-7,611.16

Finding the Fourth Proportional to 13,743.67, 18,965.89 and 7,611.16

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Solution

The fourth proportional to 13,743.67, 18,965.89 and 7,611.16 is: 10,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.67 : 18,965.89 = 7,611.16 : x
  2. Step 2: Convert to fraction form
    13,743.67/18,965.89 = 7,611.16/x
  3. Step 3: Cross multiply
    13,743.67x = 18,965.89 × 7,611.16
  4. Step 4: Simplify right side
    13,743.67x = 144,352,423.33
  5. Step 5: Solve for x
    x = 144,352,423.33/13,743.67
  6. Step 6: Final answer
    x = 10,503.19

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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.