Home / 19,171.49-26,468.78-14,686.92

Finding the Fourth Proportional to 19,171.49, 26,468.78 and 14,686.92

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Solution

The fourth proportional to 19,171.49, 26,468.78 and 14,686.92 is: 20,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.49 : 26,468.78 = 14,686.92 : x
  2. Step 2: Convert to fraction form
    19,171.49/26,468.78 = 14,686.92/x
  3. Step 3: Cross multiply
    19,171.49x = 26,468.78 × 14,686.92
  4. Step 4: Simplify right side
    19,171.49x = 388,744,780.92
  5. Step 5: Solve for x
    x = 388,744,780.92/19,171.49
  6. Step 6: Final answer
    x = 20,277.24

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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.