Home / 10,431.54-15,647.16-2,534.12

Finding the Fourth Proportional to 10,431.54, 15,647.16 and 2,534.12

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Solution

The fourth proportional to 10,431.54, 15,647.16 and 2,534.12 is: 3,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.54 : 15,647.16 = 2,534.12 : x
  2. Step 2: Convert to fraction form
    10,431.54/15,647.16 = 2,534.12/x
  3. Step 3: Cross multiply
    10,431.54x = 15,647.16 × 2,534.12
  4. Step 4: Simplify right side
    10,431.54x = 39,651,781.10
  5. Step 5: Solve for x
    x = 39,651,781.10/10,431.54
  6. Step 6: Final answer
    x = 3,801.14

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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.