Home / 18,377.32-25,351.35-12,007.64

Finding the Fourth Proportional to 18,377.32, 25,351.35 and 12,007.64

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Solution

The fourth proportional to 18,377.32, 25,351.35 and 12,007.64 is: 16,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.32 : 25,351.35 = 12,007.64 : x
  2. Step 2: Convert to fraction form
    18,377.32/25,351.35 = 12,007.64/x
  3. Step 3: Cross multiply
    18,377.32x = 25,351.35 × 12,007.64
  4. Step 4: Simplify right side
    18,377.32x = 304,409,697.52
  5. Step 5: Solve for x
    x = 304,409,697.52/18,377.32
  6. Step 6: Final answer
    x = 16,564.43

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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.