Home / 12,237.45-18,354.09-3,470.32

Finding the Fourth Proportional to 12,237.45, 18,354.09 and 3,470.32

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Solution

The fourth proportional to 12,237.45, 18,354.09 and 3,470.32 is: 5,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.45 : 18,354.09 = 3,470.32 : x
  2. Step 2: Convert to fraction form
    12,237.45/18,354.09 = 3,470.32/x
  3. Step 3: Cross multiply
    12,237.45x = 18,354.09 × 3,470.32
  4. Step 4: Simplify right side
    12,237.45x = 63,694,565.61
  5. Step 5: Solve for x
    x = 63,694,565.61/12,237.45
  6. Step 6: Final answer
    x = 5,204.89

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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.