Home / 35,442.18-53,163.48-9,147.15

Finding the Fourth Proportional to 35,442.18, 53,163.48 and 9,147.15

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Solution

The fourth proportional to 35,442.18, 53,163.48 and 9,147.15 is: 13,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,442.18 : 53,163.48 = 9,147.15 : x
  2. Step 2: Convert to fraction form
    35,442.18/53,163.48 = 9,147.15/x
  3. Step 3: Cross multiply
    35,442.18x = 53,163.48 × 9,147.15
  4. Step 4: Simplify right side
    35,442.18x = 486,294,326.08
  5. Step 5: Solve for x
    x = 486,294,326.08/35,442.18
  6. Step 6: Final answer
    x = 13,720.78

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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.