Home / 11,701.12-16,147.56-6,395.98

Finding the Fourth Proportional to 11,701.12, 16,147.56 and 6,395.98

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Solution

The fourth proportional to 11,701.12, 16,147.56 and 6,395.98 is: 8,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.12 : 16,147.56 = 6,395.98 : x
  2. Step 2: Convert to fraction form
    11,701.12/16,147.56 = 6,395.98/x
  3. Step 3: Cross multiply
    11,701.12x = 16,147.56 × 6,395.98
  4. Step 4: Simplify right side
    11,701.12x = 103,279,470.81
  5. Step 5: Solve for x
    x = 103,279,470.81/11,701.12
  6. Step 6: Final answer
    x = 8,826.46

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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.