Home / 18,774.32-28,161.48-6,293.36

Finding the Fourth Proportional to 18,774.32, 28,161.48 and 6,293.36

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Solution

The fourth proportional to 18,774.32, 28,161.48 and 6,293.36 is: 9,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.32 : 28,161.48 = 6,293.36 : x
  2. Step 2: Convert to fraction form
    18,774.32/28,161.48 = 6,293.36/x
  3. Step 3: Cross multiply
    18,774.32x = 28,161.48 × 6,293.36
  4. Step 4: Simplify right side
    18,774.32x = 177,230,331.77
  5. Step 5: Solve for x
    x = 177,230,331.77/18,774.32
  6. Step 6: Final answer
    x = 9,440.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.