Home / 14,089.88-21,127.26-13,484

Finding the Fourth Proportional to 14,089.88, 21,127.26 and 13,484

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Solution

The fourth proportional to 14,089.88, 21,127.26 and 13,484 is: 20,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.88 : 21,127.26 = 13,484 : x
  2. Step 2: Convert to fraction form
    14,089.88/21,127.26 = 13,484/x
  3. Step 3: Cross multiply
    14,089.88x = 21,127.26 × 13,484
  4. Step 4: Simplify right side
    14,089.88x = 284,879,973.84
  5. Step 5: Solve for x
    x = 284,879,973.84/14,089.88
  6. Step 6: Final answer
    x = 20,218.77

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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.