Home / 14,399.78-21,600.34-4,539.81

Finding the Fourth Proportional to 14,399.78, 21,600.34 and 4,539.81

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Solution

The fourth proportional to 14,399.78, 21,600.34 and 4,539.81 is: 6,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.78 : 21,600.34 = 4,539.81 : x
  2. Step 2: Convert to fraction form
    14,399.78/21,600.34 = 4,539.81/x
  3. Step 3: Cross multiply
    14,399.78x = 21,600.34 × 4,539.81
  4. Step 4: Simplify right side
    14,399.78x = 98,061,509.19
  5. Step 5: Solve for x
    x = 98,061,509.19/14,399.78
  6. Step 6: Final answer
    x = 6,809.93

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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.