Home / 18,714.40-25,825.70-10,330.88

Finding the Fourth Proportional to 18,714.40, 25,825.70 and 10,330.88

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Solution

The fourth proportional to 18,714.40, 25,825.70 and 10,330.88 is: 14,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.40 : 25,825.70 = 10,330.88 : x
  2. Step 2: Convert to fraction form
    18,714.40/25,825.70 = 10,330.88/x
  3. Step 3: Cross multiply
    18,714.40x = 25,825.70 × 10,330.88
  4. Step 4: Simplify right side
    18,714.40x = 266,802,207.62
  5. Step 5: Solve for x
    x = 266,802,207.62/18,714.40
  6. Step 6: Final answer
    x = 14,256.52

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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.