Home / 15,661.24-23,477.16-5,265.72

Finding the Fourth Proportional to 15,661.24, 23,477.16 and 5,265.72

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Solution

The fourth proportional to 15,661.24, 23,477.16 and 5,265.72 is: 7,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.24 : 23,477.16 = 5,265.72 : x
  2. Step 2: Convert to fraction form
    15,661.24/23,477.16 = 5,265.72/x
  3. Step 3: Cross multiply
    15,661.24x = 23,477.16 × 5,265.72
  4. Step 4: Simplify right side
    15,661.24x = 123,624,150.96
  5. Step 5: Solve for x
    x = 123,624,150.96/15,661.24
  6. Step 6: Final answer
    x = 7,893.64

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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.