Home / 9,860.29-13,607.02-5,383.92

Finding the Fourth Proportional to 9,860.29, 13,607.02 and 5,383.92

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Solution

The fourth proportional to 9,860.29, 13,607.02 and 5,383.92 is: 7,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.29 : 13,607.02 = 5,383.92 : x
  2. Step 2: Convert to fraction form
    9,860.29/13,607.02 = 5,383.92/x
  3. Step 3: Cross multiply
    9,860.29x = 13,607.02 × 5,383.92
  4. Step 4: Simplify right side
    9,860.29x = 73,259,107.12
  5. Step 5: Solve for x
    x = 73,259,107.12/9,860.29
  6. Step 6: Final answer
    x = 7,429.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.