Home / 17,660.53-26,485.33-5,178.23

Finding the Fourth Proportional to 17,660.53, 26,485.33 and 5,178.23

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Solution

The fourth proportional to 17,660.53, 26,485.33 and 5,178.23 is: 7,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.53 : 26,485.33 = 5,178.23 : x
  2. Step 2: Convert to fraction form
    17,660.53/26,485.33 = 5,178.23/x
  3. Step 3: Cross multiply
    17,660.53x = 26,485.33 × 5,178.23
  4. Step 4: Simplify right side
    17,660.53x = 137,147,094.02
  5. Step 5: Solve for x
    x = 137,147,094.02/17,660.53
  6. Step 6: Final answer
    x = 7,765.74

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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.