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Finding the Fourth Proportional to 14,480.34, 21,713.22 and 7,073.70

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Solution

The fourth proportional to 14,480.34, 21,713.22 and 7,073.70 is: 10,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.34 : 21,713.22 = 7,073.70 : x
  2. Step 2: Convert to fraction form
    14,480.34/21,713.22 = 7,073.70/x
  3. Step 3: Cross multiply
    14,480.34x = 21,713.22 × 7,073.70
  4. Step 4: Simplify right side
    14,480.34x = 153,592,804.31
  5. Step 5: Solve for x
    x = 153,592,804.31/14,480.34
  6. Step 6: Final answer
    x = 10,606.99

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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.