Home / 19,120.02-28,679.04-5,971.44

Finding the Fourth Proportional to 19,120.02, 28,679.04 and 5,971.44

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Solution

The fourth proportional to 19,120.02, 28,679.04 and 5,971.44 is: 8,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.02 : 28,679.04 = 5,971.44 : x
  2. Step 2: Convert to fraction form
    19,120.02/28,679.04 = 5,971.44/x
  3. Step 3: Cross multiply
    19,120.02x = 28,679.04 × 5,971.44
  4. Step 4: Simplify right side
    19,120.02x = 171,255,166.62
  5. Step 5: Solve for x
    x = 171,255,166.62/19,120.02
  6. Step 6: Final answer
    x = 8,956.85

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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.