Home / 10,182.70-15,270.61-3,607.93

Finding the Fourth Proportional to 10,182.70, 15,270.61 and 3,607.93

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Solution

The fourth proportional to 10,182.70, 15,270.61 and 3,607.93 is: 5,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.70 : 15,270.61 = 3,607.93 : x
  2. Step 2: Convert to fraction form
    10,182.70/15,270.61 = 3,607.93/x
  3. Step 3: Cross multiply
    10,182.70x = 15,270.61 × 3,607.93
  4. Step 4: Simplify right side
    10,182.70x = 55,095,291.94
  5. Step 5: Solve for x
    x = 55,095,291.94/10,182.70
  6. Step 6: Final answer
    x = 5,410.68

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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.