Home / 18,636.11-25,718.07-10,678.32

Finding the Fourth Proportional to 18,636.11, 25,718.07 and 10,678.32

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Solution

The fourth proportional to 18,636.11, 25,718.07 and 10,678.32 is: 14,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.11 : 25,718.07 = 10,678.32 : x
  2. Step 2: Convert to fraction form
    18,636.11/25,718.07 = 10,678.32/x
  3. Step 3: Cross multiply
    18,636.11x = 25,718.07 × 10,678.32
  4. Step 4: Simplify right side
    18,636.11x = 274,625,781.24
  5. Step 5: Solve for x
    x = 274,625,781.24/18,636.11
  6. Step 6: Final answer
    x = 14,736.22

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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.