Home / 12,898.52-19,350.84-9,191.60

Finding the Fourth Proportional to 12,898.52, 19,350.84 and 9,191.60

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Solution

The fourth proportional to 12,898.52, 19,350.84 and 9,191.60 is: 13,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.52 : 19,350.84 = 9,191.60 : x
  2. Step 2: Convert to fraction form
    12,898.52/19,350.84 = 9,191.60/x
  3. Step 3: Cross multiply
    12,898.52x = 19,350.84 × 9,191.60
  4. Step 4: Simplify right side
    12,898.52x = 177,865,180.94
  5. Step 5: Solve for x
    x = 177,865,180.94/12,898.52
  6. Step 6: Final answer
    x = 13,789.58

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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.