Home / 18,260.74-25,199.17-11,458.43

Finding the Fourth Proportional to 18,260.74, 25,199.17 and 11,458.43

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Solution

The fourth proportional to 18,260.74, 25,199.17 and 11,458.43 is: 15,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.74 : 25,199.17 = 11,458.43 : x
  2. Step 2: Convert to fraction form
    18,260.74/25,199.17 = 11,458.43/x
  3. Step 3: Cross multiply
    18,260.74x = 25,199.17 × 11,458.43
  4. Step 4: Simplify right side
    18,260.74x = 288,742,742.22
  5. Step 5: Solve for x
    x = 288,742,742.22/18,260.74
  6. Step 6: Final answer
    x = 15,812.21

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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.