Home / 11,479.12-17,218.73-3,160.01

Finding the Fourth Proportional to 11,479.12, 17,218.73 and 3,160.01

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Solution

The fourth proportional to 11,479.12, 17,218.73 and 3,160.01 is: 4,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.12 : 17,218.73 = 3,160.01 : x
  2. Step 2: Convert to fraction form
    11,479.12/17,218.73 = 3,160.01/x
  3. Step 3: Cross multiply
    11,479.12x = 17,218.73 × 3,160.01
  4. Step 4: Simplify right side
    11,479.12x = 54,411,409.93
  5. Step 5: Solve for x
    x = 54,411,409.93/11,479.12
  6. Step 6: Final answer
    x = 4,740.03

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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.