Home / 18,376.48-27,571.20-6,690.88

Finding the Fourth Proportional to 18,376.48, 27,571.20 and 6,690.88

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Solution

The fourth proportional to 18,376.48, 27,571.20 and 6,690.88 is: 10,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.48 : 27,571.20 = 6,690.88 : x
  2. Step 2: Convert to fraction form
    18,376.48/27,571.20 = 6,690.88/x
  3. Step 3: Cross multiply
    18,376.48x = 27,571.20 × 6,690.88
  4. Step 4: Simplify right side
    18,376.48x = 184,475,590.66
  5. Step 5: Solve for x
    x = 184,475,590.66/18,376.48
  6. Step 6: Final answer
    x = 10,038.68

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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.