Home / 14,538.96-21,812.81-4,543.30

Finding the Fourth Proportional to 14,538.96, 21,812.81 and 4,543.30

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Solution

The fourth proportional to 14,538.96, 21,812.81 and 4,543.30 is: 6,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.96 : 21,812.81 = 4,543.30 : x
  2. Step 2: Convert to fraction form
    14,538.96/21,812.81 = 4,543.30/x
  3. Step 3: Cross multiply
    14,538.96x = 21,812.81 × 4,543.30
  4. Step 4: Simplify right side
    14,538.96x = 99,102,144.22
  5. Step 5: Solve for x
    x = 99,102,144.22/14,538.96
  6. Step 6: Final answer
    x = 6,816.32

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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.