Home / 12,153.99-18,236.55-5,492.28

Finding the Fourth Proportional to 12,153.99, 18,236.55 and 5,492.28

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Solution

The fourth proportional to 12,153.99, 18,236.55 and 5,492.28 is: 8,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.99 : 18,236.55 = 5,492.28 : x
  2. Step 2: Convert to fraction form
    12,153.99/18,236.55 = 5,492.28/x
  3. Step 3: Cross multiply
    12,153.99x = 18,236.55 × 5,492.28
  4. Step 4: Simplify right side
    12,153.99x = 100,160,238.83
  5. Step 5: Solve for x
    x = 100,160,238.83/12,153.99
  6. Step 6: Final answer
    x = 8,240.93

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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.