Home / 36,438.27-54,657.60-10,143.03

Finding the Fourth Proportional to 36,438.27, 54,657.60 and 10,143.03

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Solution

The fourth proportional to 36,438.27, 54,657.60 and 10,143.03 is: 15,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.27 : 54,657.60 = 10,143.03 : x
  2. Step 2: Convert to fraction form
    36,438.27/54,657.60 = 10,143.03/x
  3. Step 3: Cross multiply
    36,438.27x = 54,657.60 × 10,143.03
  4. Step 4: Simplify right side
    36,438.27x = 554,393,676.53
  5. Step 5: Solve for x
    x = 554,393,676.53/36,438.27
  6. Step 6: Final answer
    x = 15,214.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.