Home / 13,771.09-19,006.85-8,741.30

Finding the Fourth Proportional to 13,771.09, 19,006.85 and 8,741.30

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Solution

The fourth proportional to 13,771.09, 19,006.85 and 8,741.30 is: 12,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.09 : 19,006.85 = 8,741.30 : x
  2. Step 2: Convert to fraction form
    13,771.09/19,006.85 = 8,741.30/x
  3. Step 3: Cross multiply
    13,771.09x = 19,006.85 × 8,741.30
  4. Step 4: Simplify right side
    13,771.09x = 166,144,534.20
  5. Step 5: Solve for x
    x = 166,144,534.20/13,771.09
  6. Step 6: Final answer
    x = 12,064.74

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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.