Home / 13,029.72-19,547.30-5,238.53

Finding the Fourth Proportional to 13,029.72, 19,547.30 and 5,238.53

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Solution

The fourth proportional to 13,029.72, 19,547.30 and 5,238.53 is: 7,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.72 : 19,547.30 = 5,238.53 : x
  2. Step 2: Convert to fraction form
    13,029.72/19,547.30 = 5,238.53/x
  3. Step 3: Cross multiply
    13,029.72x = 19,547.30 × 5,238.53
  4. Step 4: Simplify right side
    13,029.72x = 102,399,117.47
  5. Step 5: Solve for x
    x = 102,399,117.47/13,029.72
  6. Step 6: Final answer
    x = 7,858.89

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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.