Home / 21,666.10-29,882.23-14,114.81

Finding the Fourth Proportional to 21,666.10, 29,882.23 and 14,114.81

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Solution

The fourth proportional to 21,666.10, 29,882.23 and 14,114.81 is: 19,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.10 : 29,882.23 = 14,114.81 : x
  2. Step 2: Convert to fraction form
    21,666.10/29,882.23 = 14,114.81/x
  3. Step 3: Cross multiply
    21,666.10x = 29,882.23 × 14,114.81
  4. Step 4: Simplify right side
    21,666.10x = 421,781,998.83
  5. Step 5: Solve for x
    x = 421,781,998.83/21,666.10
  6. Step 6: Final answer
    x = 19,467.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.