Home / 19,918.71-29,896.53-10,064.93

Finding the Fourth Proportional to 19,918.71, 29,896.53 and 10,064.93

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Solution

The fourth proportional to 19,918.71, 29,896.53 and 10,064.93 is: 15,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.71 : 29,896.53 = 10,064.93 : x
  2. Step 2: Convert to fraction form
    19,918.71/29,896.53 = 10,064.93/x
  3. Step 3: Cross multiply
    19,918.71x = 29,896.53 × 10,064.93
  4. Step 4: Simplify right side
    19,918.71x = 300,906,294.47
  5. Step 5: Solve for x
    x = 300,906,294.47/19,918.71
  6. Step 6: Final answer
    x = 15,106.72

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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.