Home / 13,976.32-19,287.33-8,011.45

Finding the Fourth Proportional to 13,976.32, 19,287.33 and 8,011.45

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Solution

The fourth proportional to 13,976.32, 19,287.33 and 8,011.45 is: 11,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.32 : 19,287.33 = 8,011.45 : x
  2. Step 2: Convert to fraction form
    13,976.32/19,287.33 = 8,011.45/x
  3. Step 3: Cross multiply
    13,976.32x = 19,287.33 × 8,011.45
  4. Step 4: Simplify right side
    13,976.32x = 154,519,439.87
  5. Step 5: Solve for x
    x = 154,519,439.87/13,976.32
  6. Step 6: Final answer
    x = 11,055.80

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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.