Home / 45,673.16-68,514.30-12,393.76

Finding the Fourth Proportional to 45,673.16, 68,514.30 and 12,393.76

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Solution

The fourth proportional to 45,673.16, 68,514.30 and 12,393.76 is: 18,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.16 : 68,514.30 = 12,393.76 : x
  2. Step 2: Convert to fraction form
    45,673.16/68,514.30 = 12,393.76/x
  3. Step 3: Cross multiply
    45,673.16x = 68,514.30 × 12,393.76
  4. Step 4: Simplify right side
    45,673.16x = 849,149,790.77
  5. Step 5: Solve for x
    x = 849,149,790.77/45,673.16
  6. Step 6: Final answer
    x = 18,591.88

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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.