Home / 13,051.29-19,576.76-3,190.65

Finding the Fourth Proportional to 13,051.29, 19,576.76 and 3,190.65

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Solution

The fourth proportional to 13,051.29, 19,576.76 and 3,190.65 is: 4,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.29 : 19,576.76 = 3,190.65 : x
  2. Step 2: Convert to fraction form
    13,051.29/19,576.76 = 3,190.65/x
  3. Step 3: Cross multiply
    13,051.29x = 19,576.76 × 3,190.65
  4. Step 4: Simplify right side
    13,051.29x = 62,462,573.34
  5. Step 5: Solve for x
    x = 62,462,573.34/13,051.29
  6. Step 6: Final answer
    x = 4,785.93

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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.