Home / 15,801.85-23,697.69-8,785.21

Finding the Fourth Proportional to 15,801.85, 23,697.69 and 8,785.21

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Solution

The fourth proportional to 15,801.85, 23,697.69 and 8,785.21 is: 13,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.85 : 23,697.69 = 8,785.21 : x
  2. Step 2: Convert to fraction form
    15,801.85/23,697.69 = 8,785.21/x
  3. Step 3: Cross multiply
    15,801.85x = 23,697.69 × 8,785.21
  4. Step 4: Simplify right side
    15,801.85x = 208,189,183.16
  5. Step 5: Solve for x
    x = 208,189,183.16/15,801.85
  6. Step 6: Final answer
    x = 13,174.99

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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.