Home / 9,008.48-12,447.60-6,930.56

Finding the Fourth Proportional to 9,008.48, 12,447.60 and 6,930.56

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Solution

The fourth proportional to 9,008.48, 12,447.60 and 6,930.56 is: 9,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.48 : 12,447.60 = 6,930.56 : x
  2. Step 2: Convert to fraction form
    9,008.48/12,447.60 = 6,930.56/x
  3. Step 3: Cross multiply
    9,008.48x = 12,447.60 × 6,930.56
  4. Step 4: Simplify right side
    9,008.48x = 86,268,838.66
  5. Step 5: Solve for x
    x = 86,268,838.66/9,008.48
  6. Step 6: Final answer
    x = 9,576.40

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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.