Home / 14,280.72-21,383.82-11,492.16

Finding the Fourth Proportional to 14,280.72, 21,383.82 and 11,492.16

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Solution

The fourth proportional to 14,280.72, 21,383.82 and 11,492.16 is: 17,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.72 : 21,383.82 = 11,492.16 : x
  2. Step 2: Convert to fraction form
    14,280.72/21,383.82 = 11,492.16/x
  3. Step 3: Cross multiply
    14,280.72x = 21,383.82 × 11,492.16
  4. Step 4: Simplify right side
    14,280.72x = 245,746,280.85
  5. Step 5: Solve for x
    x = 245,746,280.85/14,280.72
  6. Step 6: Final answer
    x = 17,208.26

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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.