Home / 15,354.62-23,013.87-8,785.34

Finding the Fourth Proportional to 15,354.62, 23,013.87 and 8,785.34

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Solution

The fourth proportional to 15,354.62, 23,013.87 and 8,785.34 is: 13,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.62 : 23,013.87 = 8,785.34 : x
  2. Step 2: Convert to fraction form
    15,354.62/23,013.87 = 8,785.34/x
  3. Step 3: Cross multiply
    15,354.62x = 23,013.87 × 8,785.34
  4. Step 4: Simplify right side
    15,354.62x = 202,184,672.67
  5. Step 5: Solve for x
    x = 202,184,672.67/15,354.62
  6. Step 6: Final answer
    x = 13,167.68

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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.