Home / 13,976.79-19,288.11-8,008.32

Finding the Fourth Proportional to 13,976.79, 19,288.11 and 8,008.32

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Solution

The fourth proportional to 13,976.79, 19,288.11 and 8,008.32 is: 11,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.79 : 19,288.11 = 8,008.32 : x
  2. Step 2: Convert to fraction form
    13,976.79/19,288.11 = 8,008.32/x
  3. Step 3: Cross multiply
    13,976.79x = 19,288.11 × 8,008.32
  4. Step 4: Simplify right side
    13,976.79x = 154,465,459.44
  5. Step 5: Solve for x
    x = 154,465,459.44/13,976.79
  6. Step 6: Final answer
    x = 11,051.57

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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.