Home / 11,460.51-15,815.66-6,425.82

Finding the Fourth Proportional to 11,460.51, 15,815.66 and 6,425.82

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Solution

The fourth proportional to 11,460.51, 15,815.66 and 6,425.82 is: 8,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.51 : 15,815.66 = 6,425.82 : x
  2. Step 2: Convert to fraction form
    11,460.51/15,815.66 = 6,425.82/x
  3. Step 3: Cross multiply
    11,460.51x = 15,815.66 × 6,425.82
  4. Step 4: Simplify right side
    11,460.51x = 101,628,552.21
  5. Step 5: Solve for x
    x = 101,628,552.21/11,460.51
  6. Step 6: Final answer
    x = 8,867.72

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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.