Home / 11,379.27-15,701.85-6,342.90

Finding the Fourth Proportional to 11,379.27, 15,701.85 and 6,342.90

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Solution

The fourth proportional to 11,379.27, 15,701.85 and 6,342.90 is: 8,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.27 : 15,701.85 = 6,342.90 : x
  2. Step 2: Convert to fraction form
    11,379.27/15,701.85 = 6,342.90/x
  3. Step 3: Cross multiply
    11,379.27x = 15,701.85 × 6,342.90
  4. Step 4: Simplify right side
    11,379.27x = 99,595,264.37
  5. Step 5: Solve for x
    x = 99,595,264.37/11,379.27
  6. Step 6: Final answer
    x = 8,752.34

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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.