Home / 10,203.81-15,299.96-3,537.18

Finding the Fourth Proportional to 10,203.81, 15,299.96 and 3,537.18

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Solution

The fourth proportional to 10,203.81, 15,299.96 and 3,537.18 is: 5,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.81 : 15,299.96 = 3,537.18 : x
  2. Step 2: Convert to fraction form
    10,203.81/15,299.96 = 3,537.18/x
  3. Step 3: Cross multiply
    10,203.81x = 15,299.96 × 3,537.18
  4. Step 4: Simplify right side
    10,203.81x = 54,118,636.01
  5. Step 5: Solve for x
    x = 54,118,636.01/10,203.81
  6. Step 6: Final answer
    x = 5,303.77

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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.