Home / 13,046.36-19,565.58-8,687.12

Finding the Fourth Proportional to 13,046.36, 19,565.58 and 8,687.12

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Solution

The fourth proportional to 13,046.36, 19,565.58 and 8,687.12 is: 13,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.36 : 19,565.58 = 8,687.12 : x
  2. Step 2: Convert to fraction form
    13,046.36/19,565.58 = 8,687.12/x
  3. Step 3: Cross multiply
    13,046.36x = 19,565.58 × 8,687.12
  4. Step 4: Simplify right side
    13,046.36x = 169,968,541.33
  5. Step 5: Solve for x
    x = 169,968,541.33/13,046.36
  6. Step 6: Final answer
    x = 13,028.04

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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.