Home / 13,531.26-20,288.78-5,624.24

Finding the Fourth Proportional to 13,531.26, 20,288.78 and 5,624.24

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Solution

The fourth proportional to 13,531.26, 20,288.78 and 5,624.24 is: 8,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.26 : 20,288.78 = 5,624.24 : x
  2. Step 2: Convert to fraction form
    13,531.26/20,288.78 = 5,624.24/x
  3. Step 3: Cross multiply
    13,531.26x = 20,288.78 × 5,624.24
  4. Step 4: Simplify right side
    13,531.26x = 114,108,968.03
  5. Step 5: Solve for x
    x = 114,108,968.03/13,531.26
  6. Step 6: Final answer
    x = 8,432.99

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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.