Home / 14,403.50-21,605.26-3,459.50

Finding the Fourth Proportional to 14,403.50, 21,605.26 and 3,459.50

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Solution

The fourth proportional to 14,403.50, 21,605.26 and 3,459.50 is: 5,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.50 : 21,605.26 = 3,459.50 : x
  2. Step 2: Convert to fraction form
    14,403.50/21,605.26 = 3,459.50/x
  3. Step 3: Cross multiply
    14,403.50x = 21,605.26 × 3,459.50
  4. Step 4: Simplify right side
    14,403.50x = 74,743,396.97
  5. Step 5: Solve for x
    x = 74,743,396.97/14,403.50
  6. Step 6: Final answer
    x = 5,189.25

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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.