Home / 19,830.29-27,367.20-13,104.23

Finding the Fourth Proportional to 19,830.29, 27,367.20 and 13,104.23

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Solution

The fourth proportional to 19,830.29, 27,367.20 and 13,104.23 is: 18,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.29 : 27,367.20 = 13,104.23 : x
  2. Step 2: Convert to fraction form
    19,830.29/27,367.20 = 13,104.23/x
  3. Step 3: Cross multiply
    19,830.29x = 27,367.20 × 13,104.23
  4. Step 4: Simplify right side
    19,830.29x = 358,625,946.42
  5. Step 5: Solve for x
    x = 358,625,946.42/19,830.29
  6. Step 6: Final answer
    x = 18,084.76

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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.