Home / 19,390.71-29,087.48-6,252.51

Finding the Fourth Proportional to 19,390.71, 29,087.48 and 6,252.51

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Solution

The fourth proportional to 19,390.71, 29,087.48 and 6,252.51 is: 9,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.71 : 29,087.48 = 6,252.51 : x
  2. Step 2: Convert to fraction form
    19,390.71/29,087.48 = 6,252.51/x
  3. Step 3: Cross multiply
    19,390.71x = 29,087.48 × 6,252.51
  4. Step 4: Simplify right side
    19,390.71x = 181,869,775.21
  5. Step 5: Solve for x
    x = 181,869,775.21/19,390.71
  6. Step 6: Final answer
    x = 9,379.22

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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.