Home / 19,126.53-28,693.04-5,976.32

Finding the Fourth Proportional to 19,126.53, 28,693.04 and 5,976.32

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Solution

The fourth proportional to 19,126.53, 28,693.04 and 5,976.32 is: 8,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.53 : 28,693.04 = 5,976.32 : x
  2. Step 2: Convert to fraction form
    19,126.53/28,693.04 = 5,976.32/x
  3. Step 3: Cross multiply
    19,126.53x = 28,693.04 × 5,976.32
  4. Step 4: Simplify right side
    19,126.53x = 171,478,615.47
  5. Step 5: Solve for x
    x = 171,478,615.47/19,126.53
  6. Step 6: Final answer
    x = 8,965.48

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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.