Home / 9,447.78-13,016.12-6,790.58

Finding the Fourth Proportional to 9,447.78, 13,016.12 and 6,790.58

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Solution

The fourth proportional to 9,447.78, 13,016.12 and 6,790.58 is: 9,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.78 : 13,016.12 = 6,790.58 : x
  2. Step 2: Convert to fraction form
    9,447.78/13,016.12 = 6,790.58/x
  3. Step 3: Cross multiply
    9,447.78x = 13,016.12 × 6,790.58
  4. Step 4: Simplify right side
    9,447.78x = 88,386,905.12
  5. Step 5: Solve for x
    x = 88,386,905.12/9,447.78
  6. Step 6: Final answer
    x = 9,355.31

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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.