Home / 22,343.45-30,832.75-12,783.52

Finding the Fourth Proportional to 22,343.45, 30,832.75 and 12,783.52

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Solution

The fourth proportional to 22,343.45, 30,832.75 and 12,783.52 is: 17,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.45 : 30,832.75 = 12,783.52 : x
  2. Step 2: Convert to fraction form
    22,343.45/30,832.75 = 12,783.52/x
  3. Step 3: Cross multiply
    22,343.45x = 30,832.75 × 12,783.52
  4. Step 4: Simplify right side
    22,343.45x = 394,151,130.80
  5. Step 5: Solve for x
    x = 394,151,130.80/22,343.45
  6. Step 6: Final answer
    x = 17,640.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.