Home / 19,265.70-28,898.64-8,169.60

Finding the Fourth Proportional to 19,265.70, 28,898.64 and 8,169.60

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Solution

The fourth proportional to 19,265.70, 28,898.64 and 8,169.60 is: 12,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.70 : 28,898.64 = 8,169.60 : x
  2. Step 2: Convert to fraction form
    19,265.70/28,898.64 = 8,169.60/x
  3. Step 3: Cross multiply
    19,265.70x = 28,898.64 × 8,169.60
  4. Step 4: Simplify right side
    19,265.70x = 236,090,329.34
  5. Step 5: Solve for x
    x = 236,090,329.34/19,265.70
  6. Step 6: Final answer
    x = 12,254.44

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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.