Home / 13,741.35-18,957.65-8,426.94

Finding the Fourth Proportional to 13,741.35, 18,957.65 and 8,426.94

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Solution

The fourth proportional to 13,741.35, 18,957.65 and 8,426.94 is: 11,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.35 : 18,957.65 = 8,426.94 : x
  2. Step 2: Convert to fraction form
    13,741.35/18,957.65 = 8,426.94/x
  3. Step 3: Cross multiply
    13,741.35x = 18,957.65 × 8,426.94
  4. Step 4: Simplify right side
    13,741.35x = 159,754,865.87
  5. Step 5: Solve for x
    x = 159,754,865.87/13,741.35
  6. Step 6: Final answer
    x = 11,625.85

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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.