Home / 20,301.36-28,024.50-12,346.14

Finding the Fourth Proportional to 20,301.36, 28,024.50 and 12,346.14

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Solution

The fourth proportional to 20,301.36, 28,024.50 and 12,346.14 is: 17,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.36 : 28,024.50 = 12,346.14 : x
  2. Step 2: Convert to fraction form
    20,301.36/28,024.50 = 12,346.14/x
  3. Step 3: Cross multiply
    20,301.36x = 28,024.50 × 12,346.14
  4. Step 4: Simplify right side
    20,301.36x = 345,994,400.43
  5. Step 5: Solve for x
    x = 345,994,400.43/20,301.36
  6. Step 6: Final answer
    x = 17,042.92

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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.