Home / 13,972.49-19,284.29-8,230.88

Finding the Fourth Proportional to 13,972.49, 19,284.29 and 8,230.88

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Solution

The fourth proportional to 13,972.49, 19,284.29 and 8,230.88 is: 11,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.49 : 19,284.29 = 8,230.88 : x
  2. Step 2: Convert to fraction form
    13,972.49/19,284.29 = 8,230.88/x
  3. Step 3: Cross multiply
    13,972.49x = 19,284.29 × 8,230.88
  4. Step 4: Simplify right side
    13,972.49x = 158,726,606.32
  5. Step 5: Solve for x
    x = 158,726,606.32/13,972.49
  6. Step 6: Final answer
    x = 11,359.93

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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.