Home / 20,099.59-30,126.40-9,554.65

Finding the Fourth Proportional to 20,099.59, 30,126.40 and 9,554.65

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Solution

The fourth proportional to 20,099.59, 30,126.40 and 9,554.65 is: 14,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.59 : 30,126.40 = 9,554.65 : x
  2. Step 2: Convert to fraction form
    20,099.59/30,126.40 = 9,554.65/x
  3. Step 3: Cross multiply
    20,099.59x = 30,126.40 × 9,554.65
  4. Step 4: Simplify right side
    20,099.59x = 287,847,108.56
  5. Step 5: Solve for x
    x = 287,847,108.56/20,099.59
  6. Step 6: Final answer
    x = 14,321.05

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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.