Home / 14,268.65-21,406.62-5,501.21

Finding the Fourth Proportional to 14,268.65, 21,406.62 and 5,501.21

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Solution

The fourth proportional to 14,268.65, 21,406.62 and 5,501.21 is: 8,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.65 : 21,406.62 = 5,501.21 : x
  2. Step 2: Convert to fraction form
    14,268.65/21,406.62 = 5,501.21/x
  3. Step 3: Cross multiply
    14,268.65x = 21,406.62 × 5,501.21
  4. Step 4: Simplify right side
    14,268.65x = 117,762,312.01
  5. Step 5: Solve for x
    x = 117,762,312.01/14,268.65
  6. Step 6: Final answer
    x = 8,253.22

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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.