Home / 18,812.14-28,193.45-10,496.07

Finding the Fourth Proportional to 18,812.14, 28,193.45 and 10,496.07

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Solution

The fourth proportional to 18,812.14, 28,193.45 and 10,496.07 is: 15,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.14 : 28,193.45 = 10,496.07 : x
  2. Step 2: Convert to fraction form
    18,812.14/28,193.45 = 10,496.07/x
  3. Step 3: Cross multiply
    18,812.14x = 28,193.45 × 10,496.07
  4. Step 4: Simplify right side
    18,812.14x = 295,920,424.74
  5. Step 5: Solve for x
    x = 295,920,424.74/18,812.14
  6. Step 6: Final answer
    x = 15,730.29

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1.5x scale

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.