Home / 16,165.76-22,349.64-14,196.80

Finding the Fourth Proportional to 16,165.76, 22,349.64 and 14,196.80

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Solution

The fourth proportional to 16,165.76, 22,349.64 and 14,196.80 is: 19,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.76 : 22,349.64 = 14,196.80 : x
  2. Step 2: Convert to fraction form
    16,165.76/22,349.64 = 14,196.80/x
  3. Step 3: Cross multiply
    16,165.76x = 22,349.64 × 14,196.80
  4. Step 4: Simplify right side
    16,165.76x = 317,293,369.15
  5. Step 5: Solve for x
    x = 317,293,369.15/16,165.76
  6. Step 6: Final answer
    x = 19,627.49

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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.