Home / 20,153.10-30,230.24-9,624.23

Finding the Fourth Proportional to 20,153.10, 30,230.24 and 9,624.23

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Solution

The fourth proportional to 20,153.10, 30,230.24 and 9,624.23 is: 14,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.10 : 30,230.24 = 9,624.23 : x
  2. Step 2: Convert to fraction form
    20,153.10/30,230.24 = 9,624.23/x
  3. Step 3: Cross multiply
    20,153.10x = 30,230.24 × 9,624.23
  4. Step 4: Simplify right side
    20,153.10x = 290,942,782.72
  5. Step 5: Solve for x
    x = 290,942,782.72/20,153.10
  6. Step 6: Final answer
    x = 14,436.63

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Double scale
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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.