Home / 9,686.79-14,530.73-2,760.75

Finding the Fourth Proportional to 9,686.79, 14,530.73 and 2,760.75

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Solution

The fourth proportional to 9,686.79, 14,530.73 and 2,760.75 is: 4,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.79 : 14,530.73 = 2,760.75 : x
  2. Step 2: Convert to fraction form
    9,686.79/14,530.73 = 2,760.75/x
  3. Step 3: Cross multiply
    9,686.79x = 14,530.73 × 2,760.75
  4. Step 4: Simplify right side
    9,686.79x = 40,115,699.04
  5. Step 5: Solve for x
    x = 40,115,699.04/9,686.79
  6. Step 6: Final answer
    x = 4,141.28

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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.