Home / 14,355.01-21,516.11-8,812.33

Finding the Fourth Proportional to 14,355.01, 21,516.11 and 8,812.33

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Solution

The fourth proportional to 14,355.01, 21,516.11 and 8,812.33 is: 13,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.01 : 21,516.11 = 8,812.33 : x
  2. Step 2: Convert to fraction form
    14,355.01/21,516.11 = 8,812.33/x
  3. Step 3: Cross multiply
    14,355.01x = 21,516.11 × 8,812.33
  4. Step 4: Simplify right side
    14,355.01x = 189,607,061.64
  5. Step 5: Solve for x
    x = 189,607,061.64/14,355.01
  6. Step 6: Final answer
    x = 13,208.42

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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.