Home / 18,433.62-25,432.38-10,877.40

Finding the Fourth Proportional to 18,433.62, 25,432.38 and 10,877.40

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Solution

The fourth proportional to 18,433.62, 25,432.38 and 10,877.40 is: 15,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.62 : 25,432.38 = 10,877.40 : x
  2. Step 2: Convert to fraction form
    18,433.62/25,432.38 = 10,877.40/x
  3. Step 3: Cross multiply
    18,433.62x = 25,432.38 × 10,877.40
  4. Step 4: Simplify right side
    18,433.62x = 276,638,170.21
  5. Step 5: Solve for x
    x = 276,638,170.21/18,433.62
  6. Step 6: Final answer
    x = 15,007.26

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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.