Home / 18,476.96-25,498.48-13,108.80

Finding the Fourth Proportional to 18,476.96, 25,498.48 and 13,108.80

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Solution

The fourth proportional to 18,476.96, 25,498.48 and 13,108.80 is: 18,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.96 : 25,498.48 = 13,108.80 : x
  2. Step 2: Convert to fraction form
    18,476.96/25,498.48 = 13,108.80/x
  3. Step 3: Cross multiply
    18,476.96x = 25,498.48 × 13,108.80
  4. Step 4: Simplify right side
    18,476.96x = 334,254,474.62
  5. Step 5: Solve for x
    x = 334,254,474.62/18,476.96
  6. Step 6: Final answer
    x = 18,090.34

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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.