Home / 18,475.85-25,498.70-10,516.79

Finding the Fourth Proportional to 18,475.85, 25,498.70 and 10,516.79

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Solution

The fourth proportional to 18,475.85, 25,498.70 and 10,516.79 is: 14,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.85 : 25,498.70 = 10,516.79 : x
  2. Step 2: Convert to fraction form
    18,475.85/25,498.70 = 10,516.79/x
  3. Step 3: Cross multiply
    18,475.85x = 25,498.70 × 10,516.79
  4. Step 4: Simplify right side
    18,475.85x = 268,164,563.21
  5. Step 5: Solve for x
    x = 268,164,563.21/18,475.85
  6. Step 6: Final answer
    x = 14,514.33

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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.