Home / 14,046.55-21,069.90-4,185.92

Finding the Fourth Proportional to 14,046.55, 21,069.90 and 4,185.92

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Solution

The fourth proportional to 14,046.55, 21,069.90 and 4,185.92 is: 6,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.55 : 21,069.90 = 4,185.92 : x
  2. Step 2: Convert to fraction form
    14,046.55/21,069.90 = 4,185.92/x
  3. Step 3: Cross multiply
    14,046.55x = 21,069.90 × 4,185.92
  4. Step 4: Simplify right side
    14,046.55x = 88,196,915.81
  5. Step 5: Solve for x
    x = 88,196,915.81/14,046.55
  6. Step 6: Final answer
    x = 6,278.90

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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.