Home / 18,087.42-24,960.65-10,021.60

Finding the Fourth Proportional to 18,087.42, 24,960.65 and 10,021.60

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Solution

The fourth proportional to 18,087.42, 24,960.65 and 10,021.60 is: 13,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.42 : 24,960.65 = 10,021.60 : x
  2. Step 2: Convert to fraction form
    18,087.42/24,960.65 = 10,021.60/x
  3. Step 3: Cross multiply
    18,087.42x = 24,960.65 × 10,021.60
  4. Step 4: Simplify right side
    18,087.42x = 250,145,631.13
  5. Step 5: Solve for x
    x = 250,145,631.13/18,087.42
  6. Step 6: Final answer
    x = 13,829.81

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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.