Home / 19,371.18-29,010.63-13,453.97

Finding the Fourth Proportional to 19,371.18, 29,010.63 and 13,453.97

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Solution

The fourth proportional to 19,371.18, 29,010.63 and 13,453.97 is: 20,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.18 : 29,010.63 = 13,453.97 : x
  2. Step 2: Convert to fraction form
    19,371.18/29,010.63 = 13,453.97/x
  3. Step 3: Cross multiply
    19,371.18x = 29,010.63 × 13,453.97
  4. Step 4: Simplify right side
    19,371.18x = 390,308,218.23
  5. Step 5: Solve for x
    x = 390,308,218.23/19,371.18
  6. Step 6: Final answer
    x = 20,148.91

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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.