Home / 19,516.20-29,240.70-9,106.60

Finding the Fourth Proportional to 19,516.20, 29,240.70 and 9,106.60

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Solution

The fourth proportional to 19,516.20, 29,240.70 and 9,106.60 is: 13,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.20 : 29,240.70 = 9,106.60 : x
  2. Step 2: Convert to fraction form
    19,516.20/29,240.70 = 9,106.60/x
  3. Step 3: Cross multiply
    19,516.20x = 29,240.70 × 9,106.60
  4. Step 4: Simplify right side
    19,516.20x = 266,283,358.62
  5. Step 5: Solve for x
    x = 266,283,358.62/19,516.20
  6. Step 6: Final answer
    x = 13,644.22

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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.