Home / 14,355.09-21,530.21-3,966.84

Finding the Fourth Proportional to 14,355.09, 21,530.21 and 3,966.84

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Solution

The fourth proportional to 14,355.09, 21,530.21 and 3,966.84 is: 5,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.09 : 21,530.21 = 3,966.84 : x
  2. Step 2: Convert to fraction form
    14,355.09/21,530.21 = 3,966.84/x
  3. Step 3: Cross multiply
    14,355.09x = 21,530.21 × 3,966.84
  4. Step 4: Simplify right side
    14,355.09x = 85,406,878.40
  5. Step 5: Solve for x
    x = 85,406,878.40/14,355.09
  6. Step 6: Final answer
    x = 5,949.59

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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.