Home / 18,970.34-28,460.97-5,824.64

Finding the Fourth Proportional to 18,970.34, 28,460.97 and 5,824.64

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Solution

The fourth proportional to 18,970.34, 28,460.97 and 5,824.64 is: 8,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.34 : 28,460.97 = 5,824.64 : x
  2. Step 2: Convert to fraction form
    18,970.34/28,460.97 = 5,824.64/x
  3. Step 3: Cross multiply
    18,970.34x = 28,460.97 × 5,824.64
  4. Step 4: Simplify right side
    18,970.34x = 165,774,975.45
  5. Step 5: Solve for x
    x = 165,774,975.45/18,970.34
  6. Step 6: Final answer
    x = 8,738.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.