Home / 35,712.09-53,568.14-9,418.88

Finding the Fourth Proportional to 35,712.09, 53,568.14 and 9,418.88

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Solution

The fourth proportional to 35,712.09, 53,568.14 and 9,418.88 is: 14,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.09 : 53,568.14 = 9,418.88 : x
  2. Step 2: Convert to fraction form
    35,712.09/53,568.14 = 9,418.88/x
  3. Step 3: Cross multiply
    35,712.09x = 53,568.14 × 9,418.88
  4. Step 4: Simplify right side
    35,712.09x = 504,551,969.31
  5. Step 5: Solve for x
    x = 504,551,969.31/35,712.09
  6. Step 6: Final answer
    x = 14,128.32

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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.