Home / 10,291.39-15,437.07-3,717.56

Finding the Fourth Proportional to 10,291.39, 15,437.07 and 3,717.56

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Solution

The fourth proportional to 10,291.39, 15,437.07 and 3,717.56 is: 5,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.39 : 15,437.07 = 3,717.56 : x
  2. Step 2: Convert to fraction form
    10,291.39/15,437.07 = 3,717.56/x
  3. Step 3: Cross multiply
    10,291.39x = 15,437.07 × 3,717.56
  4. Step 4: Simplify right side
    10,291.39x = 57,388,272.54
  5. Step 5: Solve for x
    x = 57,388,272.54/10,291.39
  6. Step 6: Final answer
    x = 5,576.34

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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.