Home / 12,550.34-18,822.36-5,156.84

Finding the Fourth Proportional to 12,550.34, 18,822.36 and 5,156.84

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Solution

The fourth proportional to 12,550.34, 18,822.36 and 5,156.84 is: 7,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.34 : 18,822.36 = 5,156.84 : x
  2. Step 2: Convert to fraction form
    12,550.34/18,822.36 = 5,156.84/x
  3. Step 3: Cross multiply
    12,550.34x = 18,822.36 × 5,156.84
  4. Step 4: Simplify right side
    12,550.34x = 97,063,965.34
  5. Step 5: Solve for x
    x = 97,063,965.34/12,550.34
  6. Step 6: Final answer
    x = 7,733.97

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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.