Home / 19,124.90-28,691.40-5,796.80

Finding the Fourth Proportional to 19,124.90, 28,691.40 and 5,796.80

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Solution

The fourth proportional to 19,124.90, 28,691.40 and 5,796.80 is: 8,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124.90 : 28,691.40 = 5,796.80 : x
  2. Step 2: Convert to fraction form
    19,124.90/28,691.40 = 5,796.80/x
  3. Step 3: Cross multiply
    19,124.90x = 28,691.40 × 5,796.80
  4. Step 4: Simplify right side
    19,124.90x = 166,318,307.52
  5. Step 5: Solve for x
    x = 166,318,307.52/19,124.90
  6. Step 6: Final answer
    x = 8,696.43

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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.