Home / 8,854.16-12,216.84-6,996.56

Finding the Fourth Proportional to 8,854.16, 12,216.84 and 6,996.56

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Solution

The fourth proportional to 8,854.16, 12,216.84 and 6,996.56 is: 9,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.16 : 12,216.84 = 6,996.56 : x
  2. Step 2: Convert to fraction form
    8,854.16/12,216.84 = 6,996.56/x
  3. Step 3: Cross multiply
    8,854.16x = 12,216.84 × 6,996.56
  4. Step 4: Simplify right side
    8,854.16x = 85,475,854.07
  5. Step 5: Solve for x
    x = 85,475,854.07/8,854.16
  6. Step 6: Final answer
    x = 9,653.75

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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.