Home / 21,849.03-30,134.01-14,676.78

Finding the Fourth Proportional to 21,849.03, 30,134.01 and 14,676.78

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Solution

The fourth proportional to 21,849.03, 30,134.01 and 14,676.78 is: 20,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.03 : 30,134.01 = 14,676.78 : x
  2. Step 2: Convert to fraction form
    21,849.03/30,134.01 = 14,676.78/x
  3. Step 3: Cross multiply
    21,849.03x = 30,134.01 × 14,676.78
  4. Step 4: Simplify right side
    21,849.03x = 442,270,235.29
  5. Step 5: Solve for x
    x = 442,270,235.29/21,849.03
  6. Step 6: Final answer
    x = 20,242.10

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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.