Home / 7,425.14-11,123.29-6,636.47

Finding the Fourth Proportional to 7,425.14, 11,123.29 and 6,636.47

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Solution

The fourth proportional to 7,425.14, 11,123.29 and 6,636.47 is: 9,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.14 : 11,123.29 = 6,636.47 : x
  2. Step 2: Convert to fraction form
    7,425.14/11,123.29 = 6,636.47/x
  3. Step 3: Cross multiply
    7,425.14x = 11,123.29 × 6,636.47
  4. Step 4: Simplify right side
    7,425.14x = 73,819,380.39
  5. Step 5: Solve for x
    x = 73,819,380.39/7,425.14
  6. Step 6: Final answer
    x = 9,941.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.