Home / 10,537.48-15,809.34-3,142.18

Finding the Fourth Proportional to 10,537.48, 15,809.34 and 3,142.18

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Solution

The fourth proportional to 10,537.48, 15,809.34 and 3,142.18 is: 4,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.48 : 15,809.34 = 3,142.18 : x
  2. Step 2: Convert to fraction form
    10,537.48/15,809.34 = 3,142.18/x
  3. Step 3: Cross multiply
    10,537.48x = 15,809.34 × 3,142.18
  4. Step 4: Simplify right side
    10,537.48x = 49,675,791.96
  5. Step 5: Solve for x
    x = 49,675,791.96/10,537.48
  6. Step 6: Final answer
    x = 4,714.20

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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.