Home / 13,148.66-19,726.13-4,383.65

Finding the Fourth Proportional to 13,148.66, 19,726.13 and 4,383.65

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Solution

The fourth proportional to 13,148.66, 19,726.13 and 4,383.65 is: 6,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.66 : 19,726.13 = 4,383.65 : x
  2. Step 2: Convert to fraction form
    13,148.66/19,726.13 = 4,383.65/x
  3. Step 3: Cross multiply
    13,148.66x = 19,726.13 × 4,383.65
  4. Step 4: Simplify right side
    13,148.66x = 86,472,510.05
  5. Step 5: Solve for x
    x = 86,472,510.05/13,148.66
  6. Step 6: Final answer
    x = 6,576.53

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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.