Home / 18,713.45-25,824.60-10,215.58

Finding the Fourth Proportional to 18,713.45, 25,824.60 and 10,215.58

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Solution

The fourth proportional to 18,713.45, 25,824.60 and 10,215.58 is: 14,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.45 : 25,824.60 = 10,215.58 : x
  2. Step 2: Convert to fraction form
    18,713.45/25,824.60 = 10,215.58/x
  3. Step 3: Cross multiply
    18,713.45x = 25,824.60 × 10,215.58
  4. Step 4: Simplify right side
    18,713.45x = 263,813,188.44
  5. Step 5: Solve for x
    x = 263,813,188.44/18,713.45
  6. Step 6: Final answer
    x = 14,097.52

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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.