Home / 14,239.49-19,649.03-8,272.41

Finding the Fourth Proportional to 14,239.49, 19,649.03 and 8,272.41

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Solution

The fourth proportional to 14,239.49, 19,649.03 and 8,272.41 is: 11,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.49 : 19,649.03 = 8,272.41 : x
  2. Step 2: Convert to fraction form
    14,239.49/19,649.03 = 8,272.41/x
  3. Step 3: Cross multiply
    14,239.49x = 19,649.03 × 8,272.41
  4. Step 4: Simplify right side
    14,239.49x = 162,544,790.90
  5. Step 5: Solve for x
    x = 162,544,790.90/14,239.49
  6. Step 6: Final answer
    x = 11,415.08

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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.