Home / 19,556.30-29,334.69-12,935.18

Finding the Fourth Proportional to 19,556.30, 29,334.69 and 12,935.18

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Solution

The fourth proportional to 19,556.30, 29,334.69 and 12,935.18 is: 19,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.30 : 29,334.69 = 12,935.18 : x
  2. Step 2: Convert to fraction form
    19,556.30/29,334.69 = 12,935.18/x
  3. Step 3: Cross multiply
    19,556.30x = 29,334.69 × 12,935.18
  4. Step 4: Simplify right side
    19,556.30x = 379,449,348.72
  5. Step 5: Solve for x
    x = 379,449,348.72/19,556.30
  6. Step 6: Final answer
    x = 19,402.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.