Home / 14,108.88-19,467.54-8,140.80

Finding the Fourth Proportional to 14,108.88, 19,467.54 and 8,140.80

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Solution

The fourth proportional to 14,108.88, 19,467.54 and 8,140.80 is: 11,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.88 : 19,467.54 = 8,140.80 : x
  2. Step 2: Convert to fraction form
    14,108.88/19,467.54 = 8,140.80/x
  3. Step 3: Cross multiply
    14,108.88x = 19,467.54 × 8,140.80
  4. Step 4: Simplify right side
    14,108.88x = 158,481,349.63
  5. Step 5: Solve for x
    x = 158,481,349.63/14,108.88
  6. Step 6: Final answer
    x = 11,232.74

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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.