Home / 9,612.60-13,245.71-7,090.73

Finding the Fourth Proportional to 9,612.60, 13,245.71 and 7,090.73

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Solution

The fourth proportional to 9,612.60, 13,245.71 and 7,090.73 is: 9,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.60 : 13,245.71 = 7,090.73 : x
  2. Step 2: Convert to fraction form
    9,612.60/13,245.71 = 7,090.73/x
  3. Step 3: Cross multiply
    9,612.60x = 13,245.71 × 7,090.73
  4. Step 4: Simplify right side
    9,612.60x = 93,921,651.59
  5. Step 5: Solve for x
    x = 93,921,651.59/9,612.60
  6. Step 6: Final answer
    x = 9,770.68

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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.