Home / 13,151.10-19,709.37-6,227.58

Finding the Fourth Proportional to 13,151.10, 19,709.37 and 6,227.58

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Solution

The fourth proportional to 13,151.10, 19,709.37 and 6,227.58 is: 9,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.10 : 19,709.37 = 6,227.58 : x
  2. Step 2: Convert to fraction form
    13,151.10/19,709.37 = 6,227.58/x
  3. Step 3: Cross multiply
    13,151.10x = 19,709.37 × 6,227.58
  4. Step 4: Simplify right side
    13,151.10x = 122,741,678.42
  5. Step 5: Solve for x
    x = 122,741,678.42/13,151.10
  6. Step 6: Final answer
    x = 9,333.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.