Home / 16,665.40-24,857.53-14,172.22

Finding the Fourth Proportional to 16,665.40, 24,857.53 and 14,172.22

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Solution

The fourth proportional to 16,665.40, 24,857.53 and 14,172.22 is: 21,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.40 : 24,857.53 = 14,172.22 : x
  2. Step 2: Convert to fraction form
    16,665.40/24,857.53 = 14,172.22/x
  3. Step 3: Cross multiply
    16,665.40x = 24,857.53 × 14,172.22
  4. Step 4: Simplify right side
    16,665.40x = 352,286,319.35
  5. Step 5: Solve for x
    x = 352,286,319.35/16,665.40
  6. Step 6: Final answer
    x = 21,138.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.