Home / 20,895.84-31,346.88-6,102.84

Finding the Fourth Proportional to 20,895.84, 31,346.88 and 6,102.84

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Solution

The fourth proportional to 20,895.84, 31,346.88 and 6,102.84 is: 9,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.84 : 31,346.88 = 6,102.84 : x
  2. Step 2: Convert to fraction form
    20,895.84/31,346.88 = 6,102.84/x
  3. Step 3: Cross multiply
    20,895.84x = 31,346.88 × 6,102.84
  4. Step 4: Simplify right side
    20,895.84x = 191,304,993.14
  5. Step 5: Solve for x
    x = 191,304,993.14/20,895.84
  6. Step 6: Final answer
    x = 9,155.17

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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.