Home / 18,258.38-25,173.72-15,237.84

Finding the Fourth Proportional to 18,258.38, 25,173.72 and 15,237.84

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Solution

The fourth proportional to 18,258.38, 25,173.72 and 15,237.84 is: 21,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.38 : 25,173.72 = 15,237.84 : x
  2. Step 2: Convert to fraction form
    18,258.38/25,173.72 = 15,237.84/x
  3. Step 3: Cross multiply
    18,258.38x = 25,173.72 × 15,237.84
  4. Step 4: Simplify right side
    18,258.38x = 383,593,117.56
  5. Step 5: Solve for x
    x = 383,593,117.56/18,258.38
  6. Step 6: Final answer
    x = 21,009.16

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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.