Home / 11,281.40-15,568.14-6,245.51

Finding the Fourth Proportional to 11,281.40, 15,568.14 and 6,245.51

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Solution

The fourth proportional to 11,281.40, 15,568.14 and 6,245.51 is: 8,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.40 : 15,568.14 = 6,245.51 : x
  2. Step 2: Convert to fraction form
    11,281.40/15,568.14 = 6,245.51/x
  3. Step 3: Cross multiply
    11,281.40x = 15,568.14 × 6,245.51
  4. Step 4: Simplify right side
    11,281.40x = 97,231,007.20
  5. Step 5: Solve for x
    x = 97,231,007.20/11,281.40
  6. Step 6: Final answer
    x = 8,618.70

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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.