Home / 17,621.80-24,299.94-12,314.68

Finding the Fourth Proportional to 17,621.80, 24,299.94 and 12,314.68

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Solution

The fourth proportional to 17,621.80, 24,299.94 and 12,314.68 is: 16,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.80 : 24,299.94 = 12,314.68 : x
  2. Step 2: Convert to fraction form
    17,621.80/24,299.94 = 12,314.68/x
  3. Step 3: Cross multiply
    17,621.80x = 24,299.94 × 12,314.68
  4. Step 4: Simplify right side
    17,621.80x = 299,245,985.12
  5. Step 5: Solve for x
    x = 299,245,985.12/17,621.80
  6. Step 6: Final answer
    x = 16,981.58

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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.