Home / 18,231.48-25,159.26-10,276.26

Finding the Fourth Proportional to 18,231.48, 25,159.26 and 10,276.26

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Solution

The fourth proportional to 18,231.48, 25,159.26 and 10,276.26 is: 14,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.48 : 25,159.26 = 10,276.26 : x
  2. Step 2: Convert to fraction form
    18,231.48/25,159.26 = 10,276.26/x
  3. Step 3: Cross multiply
    18,231.48x = 25,159.26 × 10,276.26
  4. Step 4: Simplify right side
    18,231.48x = 258,543,097.17
  5. Step 5: Solve for x
    x = 258,543,097.17/18,231.48
  6. Step 6: Final answer
    x = 14,181.14

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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.