Home / 17,620-24,315.60-10,172.32

Finding the Fourth Proportional to 17,620, 24,315.60 and 10,172.32

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Solution

The fourth proportional to 17,620, 24,315.60 and 10,172.32 is: 14,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620 : 24,315.60 = 10,172.32 : x
  2. Step 2: Convert to fraction form
    17,620/24,315.60 = 10,172.32/x
  3. Step 3: Cross multiply
    17,620x = 24,315.60 × 10,172.32
  4. Step 4: Simplify right side
    17,620x = 247,346,064.19
  5. Step 5: Solve for x
    x = 247,346,064.19/17,620
  6. Step 6: Final answer
    x = 14,037.80

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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.