Home / 19,371.91-26,649.34-16,971.07

Finding the Fourth Proportional to 19,371.91, 26,649.34 and 16,971.07

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Solution

The fourth proportional to 19,371.91, 26,649.34 and 16,971.07 is: 23,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.91 : 26,649.34 = 16,971.07 : x
  2. Step 2: Convert to fraction form
    19,371.91/26,649.34 = 16,971.07/x
  3. Step 3: Cross multiply
    19,371.91x = 26,649.34 × 16,971.07
  4. Step 4: Simplify right side
    19,371.91x = 452,267,814.59
  5. Step 5: Solve for x
    x = 452,267,814.59/19,371.91
  6. Step 6: Final answer
    x = 23,346.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.