Home / 14,329.77-21,389.85-13,274.43

Finding the Fourth Proportional to 14,329.77, 21,389.85 and 13,274.43

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Solution

The fourth proportional to 14,329.77, 21,389.85 and 13,274.43 is: 19,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.77 : 21,389.85 = 13,274.43 : x
  2. Step 2: Convert to fraction form
    14,329.77/21,389.85 = 13,274.43/x
  3. Step 3: Cross multiply
    14,329.77x = 21,389.85 × 13,274.43
  4. Step 4: Simplify right side
    14,329.77x = 283,938,000.16
  5. Step 5: Solve for x
    x = 283,938,000.16/14,329.77
  6. Step 6: Final answer
    x = 19,814.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.