Home / 20,261.73-30,373.16-14,320.08

Finding the Fourth Proportional to 20,261.73, 30,373.16 and 14,320.08

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Solution

The fourth proportional to 20,261.73, 30,373.16 and 14,320.08 is: 21,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.73 : 30,373.16 = 14,320.08 : x
  2. Step 2: Convert to fraction form
    20,261.73/30,373.16 = 14,320.08/x
  3. Step 3: Cross multiply
    20,261.73x = 30,373.16 × 14,320.08
  4. Step 4: Simplify right side
    20,261.73x = 434,946,081.05
  5. Step 5: Solve for x
    x = 434,946,081.05/20,261.73
  6. Step 6: Final answer
    x = 21,466.38

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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.