Home / 17,944.80-24,771.60-12,307.20

Finding the Fourth Proportional to 17,944.80, 24,771.60 and 12,307.20

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Solution

The fourth proportional to 17,944.80, 24,771.60 and 12,307.20 is: 16,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,944.80 : 24,771.60 = 12,307.20 : x
  2. Step 2: Convert to fraction form
    17,944.80/24,771.60 = 12,307.20/x
  3. Step 3: Cross multiply
    17,944.80x = 24,771.60 × 12,307.20
  4. Step 4: Simplify right side
    17,944.80x = 304,869,035.52
  5. Step 5: Solve for x
    x = 304,869,035.52/17,944.80
  6. Step 6: Final answer
    x = 16,989.27

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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.