Home / 18,786.48-25,924.35-10,287.06

Finding the Fourth Proportional to 18,786.48, 25,924.35 and 10,287.06

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Solution

The fourth proportional to 18,786.48, 25,924.35 and 10,287.06 is: 14,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.48 : 25,924.35 = 10,287.06 : x
  2. Step 2: Convert to fraction form
    18,786.48/25,924.35 = 10,287.06/x
  3. Step 3: Cross multiply
    18,786.48x = 25,924.35 × 10,287.06
  4. Step 4: Simplify right side
    18,786.48x = 266,685,343.91
  5. Step 5: Solve for x
    x = 266,685,343.91/18,786.48
  6. Step 6: Final answer
    x = 14,195.60

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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.