Home / 18,673.50-25,769.70-10,290

Finding the Fourth Proportional to 18,673.50, 25,769.70 and 10,290

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Solution

The fourth proportional to 18,673.50, 25,769.70 and 10,290 is: 14,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.50 : 25,769.70 = 10,290 : x
  2. Step 2: Convert to fraction form
    18,673.50/25,769.70 = 10,290/x
  3. Step 3: Cross multiply
    18,673.50x = 25,769.70 × 10,290
  4. Step 4: Simplify right side
    18,673.50x = 265,170,213
  5. Step 5: Solve for x
    x = 265,170,213/18,673.50
  6. Step 6: Final answer
    x = 14,200.35

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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.