Home / 18,518.63-25,546.59-12,552.17

Finding the Fourth Proportional to 18,518.63, 25,546.59 and 12,552.17

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Solution

The fourth proportional to 18,518.63, 25,546.59 and 12,552.17 is: 17,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.63 : 25,546.59 = 12,552.17 : x
  2. Step 2: Convert to fraction form
    18,518.63/25,546.59 = 12,552.17/x
  3. Step 3: Cross multiply
    18,518.63x = 25,546.59 × 12,552.17
  4. Step 4: Simplify right side
    18,518.63x = 320,665,012.87
  5. Step 5: Solve for x
    x = 320,665,012.87/18,518.63
  6. Step 6: Final answer
    x = 17,315.81

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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.