Home / 19,677.23-27,153.65-11,179.15

Finding the Fourth Proportional to 19,677.23, 27,153.65 and 11,179.15

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Solution

The fourth proportional to 19,677.23, 27,153.65 and 11,179.15 is: 15,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.23 : 27,153.65 = 11,179.15 : x
  2. Step 2: Convert to fraction form
    19,677.23/27,153.65 = 11,179.15/x
  3. Step 3: Cross multiply
    19,677.23x = 27,153.65 × 11,179.15
  4. Step 4: Simplify right side
    19,677.23x = 303,554,623.58
  5. Step 5: Solve for x
    x = 303,554,623.58/19,677.23
  6. Step 6: Final answer
    x = 15,426.70

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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.