Home / 12,274.23-16,933.30-7,555.78

Finding the Fourth Proportional to 12,274.23, 16,933.30 and 7,555.78

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Solution

The fourth proportional to 12,274.23, 16,933.30 and 7,555.78 is: 10,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.23 : 16,933.30 = 7,555.78 : x
  2. Step 2: Convert to fraction form
    12,274.23/16,933.30 = 7,555.78/x
  3. Step 3: Cross multiply
    12,274.23x = 16,933.30 × 7,555.78
  4. Step 4: Simplify right side
    12,274.23x = 127,944,334.25
  5. Step 5: Solve for x
    x = 127,944,334.25/12,274.23
  6. Step 6: Final answer
    x = 10,423.81

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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.