Home / 12,038.32-18,057.80-3,273.20

Finding the Fourth Proportional to 12,038.32, 18,057.80 and 3,273.20

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Solution

The fourth proportional to 12,038.32, 18,057.80 and 3,273.20 is: 4,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.32 : 18,057.80 = 3,273.20 : x
  2. Step 2: Convert to fraction form
    12,038.32/18,057.80 = 3,273.20/x
  3. Step 3: Cross multiply
    12,038.32x = 18,057.80 × 3,273.20
  4. Step 4: Simplify right side
    12,038.32x = 59,106,790.96
  5. Step 5: Solve for x
    x = 59,106,790.96/12,038.32
  6. Step 6: Final answer
    x = 4,909.89

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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.