Home / 11,281.69-15,568.30-6,245.82

Finding the Fourth Proportional to 11,281.69, 15,568.30 and 6,245.82

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Solution

The fourth proportional to 11,281.69, 15,568.30 and 6,245.82 is: 8,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.69 : 15,568.30 = 6,245.82 : x
  2. Step 2: Convert to fraction form
    11,281.69/15,568.30 = 6,245.82/x
  3. Step 3: Cross multiply
    11,281.69x = 15,568.30 × 6,245.82
  4. Step 4: Simplify right side
    11,281.69x = 97,236,807.31
  5. Step 5: Solve for x
    x = 97,236,807.31/11,281.69
  6. Step 6: Final answer
    x = 8,618.99

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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.