Home / 10,533.09-15,801.91-3,138.14

Finding the Fourth Proportional to 10,533.09, 15,801.91 and 3,138.14

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Solution

The fourth proportional to 10,533.09, 15,801.91 and 3,138.14 is: 4,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.09 : 15,801.91 = 3,138.14 : x
  2. Step 2: Convert to fraction form
    10,533.09/15,801.91 = 3,138.14/x
  3. Step 3: Cross multiply
    10,533.09x = 15,801.91 × 3,138.14
  4. Step 4: Simplify right side
    10,533.09x = 49,588,646.33
  5. Step 5: Solve for x
    x = 49,588,646.33/10,533.09
  6. Step 6: Final answer
    x = 4,707.89

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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.