Home / 21,934.08-30,271.82-14,386.73

Finding the Fourth Proportional to 21,934.08, 30,271.82 and 14,386.73

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Solution

The fourth proportional to 21,934.08, 30,271.82 and 14,386.73 is: 19,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.08 : 30,271.82 = 14,386.73 : x
  2. Step 2: Convert to fraction form
    21,934.08/30,271.82 = 14,386.73/x
  3. Step 3: Cross multiply
    21,934.08x = 30,271.82 × 14,386.73
  4. Step 4: Simplify right side
    21,934.08x = 435,512,277.66
  5. Step 5: Solve for x
    x = 435,512,277.66/21,934.08
  6. Step 6: Final answer
    x = 19,855.51

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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.