Home / 20,316.84-30,474.94-14,805.16

Finding the Fourth Proportional to 20,316.84, 30,474.94 and 14,805.16

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Solution

The fourth proportional to 20,316.84, 30,474.94 and 14,805.16 is: 22,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.84 : 30,474.94 = 14,805.16 : x
  2. Step 2: Convert to fraction form
    20,316.84/30,474.94 = 14,805.16/x
  3. Step 3: Cross multiply
    20,316.84x = 30,474.94 × 14,805.16
  4. Step 4: Simplify right side
    20,316.84x = 451,186,362.69
  5. Step 5: Solve for x
    x = 451,186,362.69/20,316.84
  6. Step 6: Final answer
    x = 22,207.51

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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.