Home / 19,710.95-27,154.44-13,731.93

Finding the Fourth Proportional to 19,710.95, 27,154.44 and 13,731.93

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Solution

The fourth proportional to 19,710.95, 27,154.44 and 13,731.93 is: 18,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.95 : 27,154.44 = 13,731.93 : x
  2. Step 2: Convert to fraction form
    19,710.95/27,154.44 = 13,731.93/x
  3. Step 3: Cross multiply
    19,710.95x = 27,154.44 × 13,731.93
  4. Step 4: Simplify right side
    19,710.95x = 372,882,869.27
  5. Step 5: Solve for x
    x = 372,882,869.27/19,710.95
  6. Step 6: Final answer
    x = 18,917.55

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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.