Home / 14,235.84-21,267-13,717.44

Finding the Fourth Proportional to 14,235.84, 21,267 and 13,717.44

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Solution

The fourth proportional to 14,235.84, 21,267 and 13,717.44 is: 20,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.84 : 21,267 = 13,717.44 : x
  2. Step 2: Convert to fraction form
    14,235.84/21,267 = 13,717.44/x
  3. Step 3: Cross multiply
    14,235.84x = 21,267 × 13,717.44
  4. Step 4: Simplify right side
    14,235.84x = 291,728,796.48
  5. Step 5: Solve for x
    x = 291,728,796.48/14,235.84
  6. Step 6: Final answer
    x = 20,492.56

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1.5x scale

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.