Home / 14,253.19-21,370.57-7,684.09

Finding the Fourth Proportional to 14,253.19, 21,370.57 and 7,684.09

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Solution

The fourth proportional to 14,253.19, 21,370.57 and 7,684.09 is: 11,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.19 : 21,370.57 = 7,684.09 : x
  2. Step 2: Convert to fraction form
    14,253.19/21,370.57 = 7,684.09/x
  3. Step 3: Cross multiply
    14,253.19x = 21,370.57 × 7,684.09
  4. Step 4: Simplify right side
    14,253.19x = 164,213,310.59
  5. Step 5: Solve for x
    x = 164,213,310.59/14,253.19
  6. Step 6: Final answer
    x = 11,521.16

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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.