Home / 12,327-18,490.32-5,749.50

Finding the Fourth Proportional to 12,327, 18,490.32 and 5,749.50

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Solution

The fourth proportional to 12,327, 18,490.32 and 5,749.50 is: 8,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327 : 18,490.32 = 5,749.50 : x
  2. Step 2: Convert to fraction form
    12,327/18,490.32 = 5,749.50/x
  3. Step 3: Cross multiply
    12,327x = 18,490.32 × 5,749.50
  4. Step 4: Simplify right side
    12,327x = 106,310,094.84
  5. Step 5: Solve for x
    x = 106,310,094.84/12,327
  6. Step 6: Final answer
    x = 8,624.17

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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.