Home / 14,158.25-21,230.68-4,295.49

Finding the Fourth Proportional to 14,158.25, 21,230.68 and 4,295.49

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Solution

The fourth proportional to 14,158.25, 21,230.68 and 4,295.49 is: 6,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.25 : 21,230.68 = 4,295.49 : x
  2. Step 2: Convert to fraction form
    14,158.25/21,230.68 = 4,295.49/x
  3. Step 3: Cross multiply
    14,158.25x = 21,230.68 × 4,295.49
  4. Step 4: Simplify right side
    14,158.25x = 91,196,162.89
  5. Step 5: Solve for x
    x = 91,196,162.89/14,158.25
  6. Step 6: Final answer
    x = 6,441.21

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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.