Home / 18,738.33-25,823.32-13,423.92

Finding the Fourth Proportional to 18,738.33, 25,823.32 and 13,423.92

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Solution

The fourth proportional to 18,738.33, 25,823.32 and 13,423.92 is: 18,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.33 : 25,823.32 = 13,423.92 : x
  2. Step 2: Convert to fraction form
    18,738.33/25,823.32 = 13,423.92/x
  3. Step 3: Cross multiply
    18,738.33x = 25,823.32 × 13,423.92
  4. Step 4: Simplify right side
    18,738.33x = 346,650,148.25
  5. Step 5: Solve for x
    x = 346,650,148.25/18,738.33
  6. Step 6: Final answer
    x = 18,499.52

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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.