Home / 14,264.29-21,372.13-11,143.09

Finding the Fourth Proportional to 14,264.29, 21,372.13 and 11,143.09

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Solution

The fourth proportional to 14,264.29, 21,372.13 and 11,143.09 is: 16,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.29 : 21,372.13 = 11,143.09 : x
  2. Step 2: Convert to fraction form
    14,264.29/21,372.13 = 11,143.09/x
  3. Step 3: Cross multiply
    14,264.29x = 21,372.13 × 11,143.09
  4. Step 4: Simplify right side
    14,264.29x = 238,151,568.08
  5. Step 5: Solve for x
    x = 238,151,568.08/14,264.29
  6. Step 6: Final answer
    x = 16,695.65

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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.