Home / 16,172.55-22,317.39-9,799.07

Finding the Fourth Proportional to 16,172.55, 22,317.39 and 9,799.07

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Solution

The fourth proportional to 16,172.55, 22,317.39 and 9,799.07 is: 13,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.55 : 22,317.39 = 9,799.07 : x
  2. Step 2: Convert to fraction form
    16,172.55/22,317.39 = 9,799.07/x
  3. Step 3: Cross multiply
    16,172.55x = 22,317.39 × 9,799.07
  4. Step 4: Simplify right side
    16,172.55x = 218,689,555.24
  5. Step 5: Solve for x
    x = 218,689,555.24/16,172.55
  6. Step 6: Final answer
    x = 13,522.27

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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.