Home / 18,272.39-25,212.31-10,313.07

Finding the Fourth Proportional to 18,272.39, 25,212.31 and 10,313.07

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Solution

The fourth proportional to 18,272.39, 25,212.31 and 10,313.07 is: 14,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.39 : 25,212.31 = 10,313.07 : x
  2. Step 2: Convert to fraction form
    18,272.39/25,212.31 = 10,313.07/x
  3. Step 3: Cross multiply
    18,272.39x = 25,212.31 × 10,313.07
  4. Step 4: Simplify right side
    18,272.39x = 260,016,397.39
  5. Step 5: Solve for x
    x = 260,016,397.39/18,272.39
  6. Step 6: Final answer
    x = 14,230.02

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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.