Home / 18,688.20-25,792.11-10,730.27

Finding the Fourth Proportional to 18,688.20, 25,792.11 and 10,730.27

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Solution

The fourth proportional to 18,688.20, 25,792.11 and 10,730.27 is: 14,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.20 : 25,792.11 = 10,730.27 : x
  2. Step 2: Convert to fraction form
    18,688.20/25,792.11 = 10,730.27/x
  3. Step 3: Cross multiply
    18,688.20x = 25,792.11 × 10,730.27
  4. Step 4: Simplify right side
    18,688.20x = 276,756,175.21
  5. Step 5: Solve for x
    x = 276,756,175.21/18,688.20
  6. Step 6: Final answer
    x = 14,809.14

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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.