Home / 14,501.40-21,759.30-5,736.60

Finding the Fourth Proportional to 14,501.40, 21,759.30 and 5,736.60

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Solution

The fourth proportional to 14,501.40, 21,759.30 and 5,736.60 is: 8,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.40 : 21,759.30 = 5,736.60 : x
  2. Step 2: Convert to fraction form
    14,501.40/21,759.30 = 5,736.60/x
  3. Step 3: Cross multiply
    14,501.40x = 21,759.30 × 5,736.60
  4. Step 4: Simplify right side
    14,501.40x = 124,824,400.38
  5. Step 5: Solve for x
    x = 124,824,400.38/14,501.40
  6. Step 6: Final answer
    x = 8,607.75

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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.