Home / 19,651.39-27,110.16-13,275.93

Finding the Fourth Proportional to 19,651.39, 27,110.16 and 13,275.93

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Solution

The fourth proportional to 19,651.39, 27,110.16 and 13,275.93 is: 18,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.39 : 27,110.16 = 13,275.93 : x
  2. Step 2: Convert to fraction form
    19,651.39/27,110.16 = 13,275.93/x
  3. Step 3: Cross multiply
    19,651.39x = 27,110.16 × 13,275.93
  4. Step 4: Simplify right side
    19,651.39x = 359,912,520.07
  5. Step 5: Solve for x
    x = 359,912,520.07/19,651.39
  6. Step 6: Final answer
    x = 18,314.86

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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.