Home / 14,106.43-19,469.28-8,729.47

Finding the Fourth Proportional to 14,106.43, 19,469.28 and 8,729.47

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Solution

The fourth proportional to 14,106.43, 19,469.28 and 8,729.47 is: 12,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.43 : 19,469.28 = 8,729.47 : x
  2. Step 2: Convert to fraction form
    14,106.43/19,469.28 = 8,729.47/x
  3. Step 3: Cross multiply
    14,106.43x = 19,469.28 × 8,729.47
  4. Step 4: Simplify right side
    14,106.43x = 169,956,495.68
  5. Step 5: Solve for x
    x = 169,956,495.68/14,106.43
  6. Step 6: Final answer
    x = 12,048.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.