Home / 13,624.31-20,392.72-9,173.77

Finding the Fourth Proportional to 13,624.31, 20,392.72 and 9,173.77

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Solution

The fourth proportional to 13,624.31, 20,392.72 and 9,173.77 is: 13,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.31 : 20,392.72 = 9,173.77 : x
  2. Step 2: Convert to fraction form
    13,624.31/20,392.72 = 9,173.77/x
  3. Step 3: Cross multiply
    13,624.31x = 20,392.72 × 9,173.77
  4. Step 4: Simplify right side
    13,624.31x = 187,078,122.95
  5. Step 5: Solve for x
    x = 187,078,122.95/13,624.31
  6. Step 6: Final answer
    x = 13,731.20

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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.