Home / 10,537.47-15,808.49-3,142.53

Finding the Fourth Proportional to 10,537.47, 15,808.49 and 3,142.53

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Solution

The fourth proportional to 10,537.47, 15,808.49 and 3,142.53 is: 4,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.47 : 15,808.49 = 3,142.53 : x
  2. Step 2: Convert to fraction form
    10,537.47/15,808.49 = 3,142.53/x
  3. Step 3: Cross multiply
    10,537.47x = 15,808.49 × 3,142.53
  4. Step 4: Simplify right side
    10,537.47x = 49,678,638.37
  5. Step 5: Solve for x
    x = 49,678,638.37/10,537.47
  6. Step 6: Final answer
    x = 4,714.47

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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.