Home / 9,514.20-13,123.50-6,155.64

Finding the Fourth Proportional to 9,514.20, 13,123.50 and 6,155.64

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Solution

The fourth proportional to 9,514.20, 13,123.50 and 6,155.64 is: 8,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.20 : 13,123.50 = 6,155.64 : x
  2. Step 2: Convert to fraction form
    9,514.20/13,123.50 = 6,155.64/x
  3. Step 3: Cross multiply
    9,514.20x = 13,123.50 × 6,155.64
  4. Step 4: Simplify right side
    9,514.20x = 80,783,541.54
  5. Step 5: Solve for x
    x = 80,783,541.54/9,514.20
  6. Step 6: Final answer
    x = 8,490.84

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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.